247:
150:
25:
122:
278:), they are again called chromosomes, each having the same genetic mass as one of the individual chromatids that made up its parent. The DNA sequence of two sister chromatids is completely identical (apart from very rare DNA copying errors).
212:
molecule. In replication, the DNA molecule is copied, and the two molecules are known as chromatids. During the later stages of cell division these chromatids separate longitudinally to become individual chromosomes.
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145:) each is known as a daughter chromosome. The short arm of the right chromatid (3), and the long arm of the right chromatid (4), are also marked.
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In the diagram, (1) refers to a chromatid: 1-half of two identical threadlike strands of a replicated
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266:. A pair of sister chromatids is called a dyad. Once sister chromatids have separated (during the
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220:. However, if mutations occur, they will present slight differences, in which case they are
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177:(annotated as S) of the cell cycle. During metaphase, each chromosome is duplicated into
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137:(2). Once the paired sister chromatids have separated from one another (in the
318:, that is, the pairing of a paternal chromosome and a maternal chromosome. In
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phase of the cell cycle. At top center it also shows the chromosome 3 pair in
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Condensation and resolution of human sister chromatids in early mitosis
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314:, on the other hand, refers to either of the two chromatids of paired
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Chromatid pairs are normally genetically identical, and said to be
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169:(annotated as "Meta."), which takes place after having undergone
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224:. The pairing of chromatids should not be confused with the
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of the human chromosomes, showing their usual state in the G
284:(SCE) is the exchange of genetic information between two
209:
296:. SCEs appear to primarily reflect DNA recombinational
208:. Before replication, one chromosome is composed of one
129:. During cell division, the identical copies (called a "
940:
International System for Human
Cytogenetic Nomenclature
254:
Chromatids may be sister or non-sister chromatids. A
49:. Unsourced material may be challenged and removed.
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258:is either one of the two chromatids of the same
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322:, non-sister (homologous) chromatids form
109:Learn how and when to remove this message
326:to exchange genetic material during the
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228:of an organism, which is the number of
133:") are joined at the region called the
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930:List of organisms by chromosome count
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235:
47:adding citations to reliable sources
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16:One half of a duplicated chromosome
13:
14:
992:
270:of mitosis or the anaphase II of
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551:Macrochromosome/Microchromosome
34:needs additional citations for
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204:) is one half of a duplicated
1:
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262:joined together by a common
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10:
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591:Dinoflagellate chromosomes
336:Homologous chromosome pair
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183:
935:List of sequenced genomes
910:
813:
775:
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703:Chromosomal translocation
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576:A chromosome/B chromosome
567:(or accessory chromosome)
529:
460:
398:"Definition of CHROMATID"
306:Sister chromatid exchange
288:. SCEs can occur during
282:Sister chromatid exchange
757:Telomere-binding protein
571:Supernumerary chromosome
300:processes responding to
693:Structural alterations
368:"What is a Chromatid?"
320:chromosomal crossovers
316:homologous chromosomes
251:
189:
146:
710:Numerical alterations
698:Chromosomal inversion
596:Homologous chromosome
312:Non-sister chromatids
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184:Further information:
152:
131:sister chromatid pair
124:
918:Extrachromosomal DNA
606:Satellite chromosome
581:Lampbrush chromosome
521:Nuclear organization
173:which occurs in the
43:improve this article
611:Centromere position
586:Polytene chromosome
556:Circular chromosome
276:sexual reproduction
230:homologous versions
966:Molecular genetics
378:on 3 December 2010
252:
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147:
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643:Centromere number
560:Linear chromosome
286:sister chromatids
242:Sister chromatids
236:Sister chromatids
232:of a chromosome.
179:sister chromatids
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737:Polyploidization
565:Extra chromosome
480:Genetic material
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374:. Archived from
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256:sister chromatid
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730:Paleopolyploidy
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499:Heterochromatin
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621:Submetacentric
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547:or heterosome)
541:Sex chromosome
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240:Main article:
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676:and evolution
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601:Isochromosome
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304:(see article
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171:DNA synthesis
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60: –
59:
55:
54:Find sources:
48:
44:
38:
37:
32:This article
30:
26:
21:
20:
971:Cell biology
642:
610:
510:
450:Cytogenetics
405:. Retrieved
401:
392:
380:. Retrieved
376:the original
371:
362:
311:
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253:
222:heterozygous
215:
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197:
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191:
105:
96:
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72:
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53:
41:Please help
36:verification
33:
961:Chromosomes
663:Polycentric
653:Monocentric
636:Holocentric
631:Acrocentric
626:Telocentric
616:Metacentric
494:Euchromatin
454:chromosomes
348:Kinetochore
58:"Chromatid"
955:Categories
815:Centromere
746:Structures
725:Polyploidy
715:Aneuploidy
516:Nucleosome
506:Chromosome
354:References
328:prophase I
302:DNA damage
264:centromere
260:chromosome
218:homozygous
206:chromosome
200:'color' +
153:Schematic
135:centromere
127:chromosome
99:April 2018
69:newspapers
981:Telomeres
767:Protamine
674:Processes
658:Dicentric
511:Chromatid
489:Chromatin
470:Karyotype
372:About.com
324:chiasmata
194:chromatid
186:Karyotype
167:metaphase
155:karyogram
911:See also
753:Telomere
720:Euploidy
648:Acentric
545:allosome
537:Autosome
463:concepts
342:See also
268:anaphase
198:khrōmat-
139:anaphase
976:Mitosis
923:Plasmid
777:Histone
688:Meiosis
683:Mitosis
407:18 July
382:18 July
332:meiosis
294:meiosis
290:mitosis
274:during
272:meiosis
196:(Greek
175:S phase
143:mitosis
83:scholar
484:Genome
475:Ploidy
298:repair
226:ploidy
85:
78:
71:
64:
56:
761:TINF2
530:Types
461:Basic
334:(See
161:and G
90:JSTOR
76:books
543:(or
409:2017
384:2017
141:of
62:news
795:H2B
790:H2A
338:).
330:of
308:).
292:or
210:DNA
202:-id
45:by
957::
838:C2
833:C1
805:H4
800:H3
785:H1
755::
452::
400:.
370:.
192:A
898:T
893:Q
888:P
883:O
878:N
873:M
868:K
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858:I
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828:B
823:A
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759:(
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411:.
386:.
181:.
163:1
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106:(
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97:(
87:·
80:·
73:·
66:·
39:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
