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Prophase

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are present in the oocytes. The adaptive significance of prophase I arrest is still not fully understood. However, it has been proposed that the arrest of oocytes at the four genome copy stage may provide the informational redundancy needed to
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begin to break down in prophase, resulting in the discontinuation of ribosome production. This indicates a redirection of cellular energy from general cellular metabolism to
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cell in preprophase, prophase and prometaphase. Preprophase band is present along the cell wall from images 1–3, is fading in image 4, and disappears by image 5.
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I requiring them to re-condense in prophase II. If chromosomes do not need to re-condense, prophase II often proceeds very quickly as is seen in the
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In the fifth and final phase of prophase I, diakinesis (from the Greek for "double movement"), full chromatin condensation has occurred and all four
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or genetic recombination. Multiple recombination events can occur on each bivalent. In humans, an average of 2-3 events occur on each chromosome.
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Prophase is the first step of cell division in mitosis. As it occurs after G2 of interphase, DNA has been already replicated when prophase begins.
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Kakeda K, Yamagata H, Fukui K, Ohno M, Fukui K, Wei ZZ, Zhu ES (August 1990). "High resolution bands in maize chromosomes by G-banding methods".
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Prophase I is divided into five phases: leptotene, zygotene, pachytene, diplotene, and diakinesis. In addition to the events that occur in
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and thus undergoes prophase twice, resulting in prophase I and prophase II. Prophase I is the most complex phase in all of meiosis because
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de Jong H (December 2003). "Visualizing DNA domains and sequences by microscopy: a fifty-year history of molecular cytogenetics".
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is associated instead with foci at opposite poles of the cell or is mediated by chromosomes. Another notable difference is
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In the second phase of prophase I, zygotene (from the Greek for "conjugation"), all maternally and paternally derived
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The third phase of prophase I, pachytene (from the Greek for "thick"), begins at the completion of synapsis.
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is condensed from DNA strands with lengths reaching 0.7 μm down to 0.2-0.3 μm. This process employs the
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MacQueen AJ, Hochwagen A (July 2011). "Checkpoint mechanisms: the puppet masters of meiotic prophase".
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Female mammals and birds are born possessing all the oocytes needed for future ovulations, and these
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within the fetus and are therefore present at birth. During this prophase I arrested stage (
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Pathak S, Hsu TC (January 1979). "Silver-stained structures in mammalian meiotic prophase".
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are now of mixed maternal and paternal descent. Visible junctions called chiasmata hold the
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was originally difficult due to the high degree of chromosome compaction in plant cells.
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Schermelleh L, Carlton PM, Haase S, Shao L, Winoto L, Kner P, et al. (June 2008).
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Alberts B, Bray D, Hopkin K, Johnson A, Lewis J, Raff M, Roberts K, Walter P (2004).
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do not fully synapse because only a small region of the chromosomes are homologous.
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repair Prophase arrested oocytes have a high capability for efficient repair of
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Proceedings of the National Academy of Sciences of the United States of America
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Zickler D, Kleckner N (1998). "The leptotene-zygotene transition of meiosis".
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prophase, several crucial events occur within these phases such as pairing of
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enters prophase. The main occurrences in prophase are the condensation of the
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In the fourth phase of prophase I, diplotene (from the Greek for "twofold"),
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In the first stage of prophase I, leptotene (from the Greek for "delicate"),
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partner. The homologous pairs then undergo synapsis, a process by which the
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Hartwell LH, Hood L, Goldberg ML, Reynolds AE, Silver LM, Veres RC (2008).
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remain arrested in prophase I only to quickly complete meiosis I prior to
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Sumner AT (May 1982). "The nature and mechanisms of chromosome banding".
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must be fixed, and thus it is not possible to perform on living cells.
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image of two mouse cell nuclei in prophase (scale bar is 5 μm).
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dissolves. It is at this stage where meiotic arrest occurs in many
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Stringer JM, Winship A, Zerafa N, Wakefield M, Hutt K (May 2020).
267:. At the start of prophase there are two identical copies of each 2354: 2261: 2234: 1893: 1024: 1019: 943: 928: 916: 840: 793: 789: 745: 560: 552: 536: 524: 508: 469: 260: 252: 198: 189:. Silver staining, a more modern technology, in conjunction with 174: 170: 130: 126: 87: 83: 879: 2193: 2109: 2095: 2091: 2087: 2079: 2037: 2032: 1901: 1848: 852: 836: 805: 797: 594: 568: 155: 1709: 946:
is the most complex iteration of prophase that occurs in both
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was fully realized for plant chromosomes in 1990. During both
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Wang HC, Kao KN (1988). "G-banding in plant chromosomes".
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together at locations where recombination occurred as the
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move apart towards opposite poles of the cell, powered by
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First phase of cell division in both mitosis and meiosis
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retain a full set of genetic information; however, the
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pairs. The paired homologous chromosome bound by the
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Mira A (September 1998). "Why is meiosis arrested?".
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moves from a central to a peripheral position in the
551:. Prophase I occurs at different speeds dependent on 393: 1501:Zeng XL, Jiao MD, Wang XG, Song ZX, Rao S (2001). 1199: 1046: 851:), which may last for decades, four copies of the 483: 1809: 2371: 1500: 895:The most notable difference between prophase in 645:on maternally and paternally derived non-sister 609:is not yet condensed enough to be resolvable in 144:can be visualized as the move through prophase. 1705: 1703: 1701: 1621: 460:gather at opposite poles and begin to form the 1473:Taiz L, Zeiger E, Moller IM, Murphy A (2015). 1056:Nussbaum RL, McInnes RR, Huntington F (2016). 966:in place. The meiotic checkpoint network is a 437:. Plant cells do not have centrosomes and the 421:arrays (asters) by each centriole. Interpolar 386:interact with each other, helping to move the 326:complex. Condensed chromosomes consist of two 306: 1875: 1768: 880:Differences in plant and animal cell prophase 350:move far enough apart to be resolved using a 140:are used to treat cells such that condensing 1698: 1557:Thompson & Thompson Genetics in Medicine 1555:Nussbaum RL, McInnes RR, Willard HF (2016). 1058:Thompson & Thompson Genetics in Medicine 931:prophase I of plants, this band disappears. 1657: 1655: 1653: 978:structure, and the movement and pairing of 593:begin to condense. Each chromosome is in a 1882: 1868: 1559:. Philadelphia: Elsevier. pp. 12–20. 621:pairs begin to associate with each other. 337: 113: 78: 'appearance') is the first stage of 2174:Cellular apoptosis susceptibility protein 1786: 1745: 1735: 1597:. New York NY: Garland Science. pp.  1338: 1125: 864:. The repair process used appears to be 708:between the non-sister chromatids of the 704:. These recombination nodules facilitate 468:is of great importance in the process of 417:by the organization of individual radial 405:scaffolding break down as the replicated 1650: 883: 839:are arrested at the prophase I stage of 772:, as the meiotic prophase ends with the 37: 29: 1889: 1416: 1260: 433:and forming the basic structure of the 154:technique is commonly used to identify 106:reticulum and the disappearance of the 14: 2372: 1468: 1381: 986:) that prevent the cell from entering 1863: 1586: 1584: 1582: 1580: 1578: 1576: 1550: 1548: 1546: 1544: 1542: 1540: 1538: 1496: 1494: 1466: 1464: 1462: 1460: 1458: 1456: 1454: 1452: 1450: 1448: 1235: 1193: 1191: 1189: 1187: 1185: 1183: 1181: 1179: 1177: 1175: 1173: 1171: 1169: 1167: 1165: 98:has already been replicated when the 1661: 1231: 1229: 1227: 1163: 1161: 1159: 1157: 1155: 1153: 1151: 1149: 1147: 1145: 1085: 1083: 1081: 830: 808:number in mitotic prophase. In both 413:to opposite poles is accompanied in 376:centrosome associated motor proteins 937: 816:chromosomes may de-condense during 503: 362:is increased due to recruitment of 246: 121:can be used to visualize condensed 24: 1769:Hochwagen A, Amon A (March 2006). 1573: 1535: 1491: 1445: 1206:. New York: McGraw-Hill. pp.  990:with errors due to recombination. 500:stays intact during this process. 472:and will eventually segregate the 275:. These copies are referred to as 271:in the cell due to replication in 181:can be applied to cells to elicit 161:, but utilizing the technology on 25: 2401: 1841: 1224: 1142: 1078: 960:recombination of genetic material 919:that results in formation of the 567:. In humans, decades can pass as 563:in diplotene of prophase I until 523:. Prophase II is very similar to 197:throughout the various stages of 1847: 1475:Plant Physiology and Development 1384:Cancer Genetics and Cytogenetics 1298:Theoretical and Applied Genetics 984:meiotic recombination checkpoint 903:occurs because plant cells lack 394:Formation of the mitotic spindle 1803: 1762: 1615: 792:is very similar to prophase of 484:Beginning of nucleoli breakdown 251:Prophase is the first stage of 1664:Journal of Theoretical Biology 1636:10.1146/annurev.genet.32.1.619 1410: 1375: 1332: 1289: 1254: 1202:Genetics From Genes to Genomes 970:response system that controls 915:, an additional step in plant 783: 464:at locations called foci. The 429:interact, joining the sets of 13: 1: 1040: 751: 530: 1396:10.1016/0165-4608(82)90022-x 719: 679: 578: 545:exchange of genetic material 378:. Interdigitated interpolar 7: 2184:Maturation promoting factor 993: 962:occurs properly, there are 776:beginning to form, and the 624: 307:Condensation of chromosomes 227:. These stains do not band 69: 'before' and 10: 2406: 2325:Postreplication checkpoint 1516:(7): 680–5. Archived from 923:, a structure composed of 907:. The organization of the 866:homologous recombinational 688:has condensed enough that 597:state and consists of two 582: 409:separate. The movement of 259:, and the second stage of 2333: 2305: 2252: 2216: 2207: 2151: 2123: 2066: 1973: 1900: 1824:10.1016/j.tcb.2011.03.004 1788:10.1016/j.cub.2006.03.009 1624:Annual Review of Genetics 1285:– via ResearchGate. 780:beginning to break down. 663:Sex (X and Y) chromosomes 219:can be used in both live 193:can be used to image the 858:repair damage in the DNA 1737:10.1073/pnas.2001124117 1118:10.1126/science.1156947 954:. To ensure pairing of 692:can now be resolved in 519:must pair and exchange 511:involves two rounds of 338:Movement of centrosomes 299:, and the beginning of 295:, the formation of the 114:Staining and microscopy 43:Fluorescence microscope 2307:Cell cycle checkpoints 1812:Trends in Cell Biology 1684:10.1006/jtbi.1998.0761 1594:Essential Cell Biology 956:homologous chromosomes 892: 738:homologous chromosomes 734:homologous chromosomes 730:Homologous chromosomes 559:. Many species arrest 549:homologous chromosomes 541:homologous chromosomes 517:homologous chromosomes 513:chromosome segregation 291:, the movement of the 237:fluorescent microscopy 46: 35: 18:Chromatin condensation 2334:Other cellular phases 2058:CDK-activating kinase 1035:Homologous chromosome 887: 712:in an event known as 651:homologous chromosome 619:homologous chromosome 201:prophase. To perform 125:as they move through 41: 33: 1856:at Wikimedia Commons 1510:Acta Botanica Sinica 964:cellular checkpoints 889:Arabidopsis thaliana 742:synaptonemal complex 710:synaptonemal complex 698:synaptonemal complex 655:synaptonemal complex 639:synaptonemal complex 279:and are attached by 239:has vastly improved 195:synaptonemal complex 1728:2020PNAS..11711513S 1722:(21): 11513–11522. 1676:1998JThBi.194..275M 1110:2008Sci...320.1332S 972:double strand break 657:are referred to as 643:genetic information 543:and the reciprocal 521:genetic information 390:to opposite poles. 342:During prophase in 283:element called the 2390:Cellular processes 2320:Spindle checkpoint 2125:P53 p63 p73 family 1353:10.1007/bf00288406 1310:10.1007/BF00224397 1238:Plant Cytogenetics 1064:. pp. 12–20. 893: 804:as opposed to the 448:assembly into the 241:spatial resolution 213:Fluorescent stains 90:. Beginning after 47: 36: 2367: 2366: 2363: 2362: 2315:Restriction point 1852:Media related to 1608:978-0-8153-3481-1 1566:978-1-4377-0696-3 1484:978-1-60535-255-8 1236:Singh RJ (2017). 1217:978-0-07-284846-5 1104:(5881): 1332–36. 909:spindle apparatus 831:Prophase I arrest 774:spindle apparatus 758:sister chromatids 633:have found their 607:sister chromatids 599:sister chromatids 494:cellular division 474:sister chromatids 462:spindle apparatus 450:mitotic apparatus 358:activity in each 328:sister chromatids 277:sister chromatids 16:(Redirected from 2397: 2214: 2213: 1884: 1877: 1870: 1861: 1860: 1851: 1836: 1835: 1807: 1801: 1800: 1790: 1766: 1760: 1759: 1749: 1739: 1707: 1696: 1695: 1659: 1648: 1647: 1619: 1613: 1612: 1588: 1571: 1570: 1552: 1533: 1532: 1530: 1528: 1522: 1507: 1498: 1489: 1488: 1470: 1443: 1442: 1414: 1408: 1407: 1379: 1373: 1372: 1336: 1330: 1329: 1293: 1287: 1286: 1258: 1252: 1251: 1233: 1222: 1221: 1205: 1195: 1140: 1139: 1129: 1087: 1076: 1075: 1060:. Philadelphia: 1053: 938:Cell checkpoints 921:preprophase band 778:nuclear membrane 706:genetic exchange 504:Meiotic prophase 498:nuclear envelope 401:involved in the 352:light microscope 247:Mitotic prophase 21: 2405: 2404: 2400: 2399: 2398: 2396: 2395: 2394: 2370: 2369: 2368: 2359: 2349: 2329: 2301: 2248: 2243: 2229: 2209: 2203: 2147: 2119: 2062: 1969: 1896: 1888: 1844: 1839: 1808: 1804: 1775:Current Biology 1767: 1763: 1708: 1699: 1660: 1651: 1620: 1616: 1609: 1589: 1574: 1567: 1553: 1536: 1526: 1524: 1520: 1505: 1499: 1492: 1485: 1471: 1446: 1431:10.1139/g03-107 1415: 1411: 1380: 1376: 1337: 1333: 1294: 1290: 1275:10.1139/g88-009 1259: 1255: 1248: 1234: 1225: 1218: 1196: 1143: 1088: 1079: 1072: 1054: 1047: 1043: 996: 940: 934: 882: 833: 788:Prophase II of 786: 760:can be seen in 754: 722: 682: 627: 617:regions within 601:; however, the 587: 585:Leptotene stage 581: 533: 506: 486: 466:mitotic spindle 435:mitotic spindle 396: 340: 309: 297:mitotic spindle 249: 191:giemsa staining 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1037: 1032: 1027: 1022: 1017: 1012: 1007: 1002: 995: 992: 942:Prophase I in 939: 936: 881: 878: 832: 829: 822:model organism 785: 782: 753: 750: 728:is completed. 721: 718: 681: 678: 626: 623: 583:Main article: 580: 577: 547:between these 532: 529: 505: 502: 485: 482: 395: 392: 339: 336: 330:joined at the 308: 305: 248: 245: 115: 112: 26: 9: 6: 4: 3: 2: 2402: 2391: 2388: 2386: 2383: 2381: 2378: 2377: 2375: 2356: 2353: 2351: 2344: 2342: 2339: 2338: 2336: 2332: 2326: 2323: 2321: 2318: 2316: 2313: 2312: 2310: 2308: 2304: 2298: 2295: 2292: 2289: 2287: 2284: 2282: 2279: 2277: 2274: 2272: 2269: 2267: 2263: 2260: 2259: 2257: 2255: 2251: 2245: 2238: 2236: 2233: 2231: 2224: 2223: 2221: 2219: 2215: 2212: 2206: 2199: 2195: 2192: 2190: 2187: 2185: 2182: 2180: 2177: 2175: 2172: 2170: 2167: 2165: 2162: 2160: 2157: 2156: 2154: 2150: 2144: 2141: 2139: 2136: 2134: 2131: 2130: 2128: 2126: 2122: 2115: 2111: 2107: 2103: 2100: 2097: 2093: 2089: 2085: 2081: 2077: 2074: 2073: 2071: 2069: 2068:CDK inhibitor 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Replicated 365: 361: 357: 353: 349: 345: 335: 333: 329: 325: 321: 317: 313: 304: 302: 298: 294: 290: 286: 282: 278: 274: 270: 266: 262: 258: 254: 244: 242: 238: 234: 230: 226: 222: 218: 214: 210: 208: 204: 200: 196: 192: 188: 184: 180: 176: 172: 168: 164: 160: 157: 153: 150: 145: 143: 139: 134: 132: 128: 124: 120: 111: 109: 105: 101: 97: 93: 89: 85: 81: 80:cell division 77: 74: 71: 68: 66: 61: 58: 55: 54:Ancient Greek 51: 44: 40: 32: 19: 2276:Prometaphase 2270: 1815: 1811: 1805: 1778: 1774: 1764: 1719: 1715: 1667: 1663: 1627: 1623: 1617: 1593: 1556: 1525:. Retrieved 1518:the original 1513: 1509: 1474: 1425:(6): 943–6. 1422: 1418: 1412: 1390:(1): 59–87. 1387: 1383: 1377: 1344: 1340: 1334: 1301: 1297: 1291: 1266: 1262: 1256: 1237: 1201: 1101: 1095: 1057: 1030:Cytoskeleton 1000:Prometaphase 952:animal cells 941: 933: 925:microtubules 901:animal cells 894: 888: 834: 787: 770:prometaphase 755: 723: 683: 667: 661:or tetrads. 628: 588: 534: 507: 487: 458:microtubules 431:microtubules 423:microtubules 415:animal cells 399:Microtubules 397: 380:microtubules 344:animal cells 341: 310: 303:break down. 257:animal cells 250: 225:animal cells 211: 146: 136:Various DNA 135: 117: 75: 70: 62: 57: 49: 48: 2297:Cytokinesis 2266:Preprophase 2210:checkpoints 1527:24 February 988:metaphase I 980:chromosomes 948:plant cells 913:preprophase 897:plant cells 870:DNA damages 825:Arabidopsis 814:plant cells 802:chromosomes 784:Prophase II 690:chromosomes 631:chromosomes 591:chromosomes 454:plant cells 446:microtubule 439:chromosomes 427:centrosomes 419:microtubule 411:centrosomes 407:centrosomes 388:centrosomes 368:centrosomes 356:Microtubule 348:centrosomes 293:centrosomes 289:chromosomes 265:plant cells 229:chromosomes 207:chromosomes 187:chromosomes 163:plant cells 159:chromosomes 142:chromosomes 123:chromosomes 2385:Cell cycle 2374:Categories 2218:Interphase 2208:Phases and 1891:Cell cycle 1630:: 619–97. 1341:Chromosoma 1041:References 968:DNA damage 905:centrioles 800:number of 766:microscopy 752:Diakinesis 694:microscopy 647:chromatids 635:homologous 615:Homologous 611:microscopy 531:Prophase I 527:prophase. 425:from both 403:interphase 384:centrosome 382:from each 372:interphase 360:centrosome 332:centromere 320:interphase 316:replicated 285:centromere 273:interphase 269:chromosome 177:prophase, 119:Microscopy 92:interphase 52:(from 2341:Apoptosis 2291:Telophase 2281:Metaphase 2076:INK4a/ARF 1269:: 48–51. 1015:Telophase 1005:Metaphase 976:chromatin 874:fertility 845:gestation 818:telophase 762:bivalents 720:Diplotene 702:bivalents 686:Chromatin 680:Pachytene 670:nucleolus 659:bivalents 603:chromatin 579:Leptotene 573:ovulation 565:ovulation 478:metaphase 364:γ-tubulin 324:condensin 314:that was 235:. Use of 203:G-banding 183:G-banding 167:G-banding 156:mammalian 152:G-banding 108:nucleolus 104:chromatin 2380:Genetics 2286:Anaphase 2271:Prophase 1894:proteins 1854:Prophase 1832:21531561 1797:16546077 1756:32381741 1439:14663510 1369:27763957 1318:24220906 1283:83823255 1136:18535242 1062:Elsevier 1010:Anaphase 994:See also 974:repair, 862:germline 849:dictyate 625:Zygotene 490:nucleoli 443:nucleate 301:nucleoli 215:such as 82:in both 76:(phásis) 50:Prophase 2355:Meiosis 2262:Mitosis 2254:M phase 2235:S phase 2102:cip/kip 1747:7260990 1724:Bibcode 1692:9778439 1672:Bibcode 1644:9928494 1599:639–658 1404:7049353 1326:6600449 1127:2916659 1106:Bibcode 1097:Science 1025:Mitosis 1020:Meiosis 944:meiosis 929:mitotic 917:mitosis 860:of the 841:meiosis 837:oocytes 806:diploid 798:haploid 794:mitosis 790:meiosis 746:species 674:nucleus 605:of the 595:diploid 569:oocytes 561:meiosis 553:species 537:mitotic 525:mitotic 509:Meiosis 470:mitosis 261:mitosis 253:mitosis 199:meiotic 175:mitotic 171:meiotic 131:mitosis 127:meiosis 88:meiosis 84:mitosis 2194:Cullin 2080:p14arf 1902:Cyclin 1830:  1795:  1754:  1744:  1690:  1642:  1605:  1563:  1481:  1437:  1419:Genome 1402:  1367:  1359:  1324:  1316:  1281:  1263:Genome 1244:  1214:  1208:90–103 1134:  1124:  1068:  853:genome 810:animal 496:. The 149:giemsa 138:stains 2350:phase 2244:phase 2230:phase 2169:Cdc42 2164:Cdc25 2152:Other 1934:, B3) 1521:(PDF) 1506:(PDF) 1365:S2CID 1361:85512 1322:S2CID 1279:S2CID 927:. In 764:with 452:. In 370:from 233:genes 221:plant 73:φάσις 56: 2198:CUL7 2159:Cdc2 1828:PMID 1793:PMID 1752:PMID 1688:PMID 1640:PMID 1603:ISBN 1561:ISBN 1529:2015 1479:ISBN 1435:PMID 1400:PMID 1357:PMID 1314:PMID 1242:ISBN 1212:ISBN 1132:PMID 1066:ISBN 958:and 950:and 899:and 812:and 668:The 555:and 488:The 441:can 223:and 217:DAPI 173:and 147:The 129:and 100:cell 86:and 65:pro- 60:προ- 2189:Wee 2179:E2F 2143:p73 2138:p63 2133:p53 2114:p57 2110:p27 2106:p21 2096:p19 2092:p18 2088:p15 2084:p16 2038:11B 2033:11A 1975:CDK 1820:doi 1783:doi 1742:PMC 1732:doi 1720:117 1680:doi 1668:194 1632:doi 1427:doi 1392:doi 1349:doi 1306:doi 1271:doi 1122:PMC 1114:doi 1102:320 700:of 649:of 557:sex 476:in 318:in 312:DNA 281:DNA 263:in 255:in 185:in 96:DNA 2376:: 2112:, 2108:, 2094:, 2090:, 2086:, 2053:14 2048:13 2043:12 2028:10 1964:E2 1962:, 1960:E1 1950:D3 1948:, 1946:D2 1944:, 1942:D1 1932:B2 1930:, 1928:B1 1918:A2 1916:, 1914:A1 1826:. 1816:21 1814:. 1791:. 1779:16 1777:. 1773:. 1750:. 1740:. 1730:. 1718:. 1714:. 1700:^ 1686:. 1678:. 1666:. 1652:^ 1638:. 1628:32 1626:. 1601:. 1575:^ 1537:^ 1514:43 1512:. 1508:. 1493:^ 1447:^ 1433:. 1423:46 1421:. 1398:. 1386:. 1363:. 1355:. 1345:70 1343:. 1320:. 1312:. 1302:80 1300:. 1277:. 1267:30 1265:. 1226:^ 1210:. 1144:^ 1130:. 1120:. 1112:. 1100:. 1094:. 1080:^ 1048:^ 876:. 827:. 748:. 676:. 613:. 575:. 480:. 456:, 354:. 346:, 334:. 243:. 205:, 133:. 110:. 94:, 2348:0 2346:G 2293:) 2264:( 2242:2 2240:G 2228:1 2226:G 2200:) 2196:( 2116:) 2104:( 2098:) 2082:/ 2078:( 2023:9 2018:8 2013:7 2008:6 2003:5 1998:4 1993:3 1988:2 1983:1 1966:) 1958:( 1956:E 1952:) 1940:( 1938:D 1926:( 1924:B 1920:) 1912:( 1910:A 1883:e 1876:t 1869:v 1834:. 1822:: 1799:. 1785:: 1758:. 1734:: 1726:: 1694:. 1682:: 1674:: 1646:. 1634:: 1611:. 1569:. 1531:. 1487:. 1441:. 1429:: 1406:. 1394:: 1388:6 1371:. 1351:: 1328:. 1308:: 1273:: 1250:. 1220:. 1138:. 1116:: 1108:: 1074:. 67:) 63:( 20:)

Index

Chromatin condensation


Fluorescence microscope
Ancient Greek
προ-
pro-
φάσις
cell division
mitosis
meiosis
interphase
DNA
cell
chromatin
nucleolus
Microscopy
chromosomes
meiosis
mitosis
stains
chromosomes
giemsa
G-banding
mammalian
chromosomes
plant cells
G-banding
meiotic
mitotic

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