Dictionary » N » Non-sister chromatid

Non-sister chromatid

Definition

noun, plural: non-sister chromatids

Either of the two chromatids of any of the paired (homologous) chromosomes.


Supplement

Non-sister (homologous) chromatids form chiasma(ta) to exchange genetic material during meiosis (i.e. Prophase I).


Word origin: Greek khrōma, khrōmat-, color.

Compare: sister chromatid.
See also: homologous chromosomes, chromatid, meiosis.


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Re:

... homologous chromosomes in anaphase I and separation of recombinant and non-recombinant chromatid in anaphase II. Being as it is, we could still compare the separation of chromatids ...

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by leeroykincaid
Tue Apr 23, 2013 8:40 am
 
Forum: Cell Biology
Topic: independent assortment
Replies: 2
Views: 4397

Re: aneuploidy and polyploidy

... I'm procrastinating so I'll attempt to answer your question nonetheless from my recent, rather basic understanding of studying aneuploidy ... as a result of non-disjunction or failure of the cell to divide after chromatid separation. I don't really think the chromosomes "balance ...

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by carmodyf
Thu Oct 11, 2012 4:36 am
 
Forum: Cell Biology
Topic: aneuploidy and polyploidy
Replies: 2
Views: 4477

Re: Genetics Homeworkkk!!! PLEASE HELP

... chromosomes for Metaphase of Mitosis and one possibility for Metaphase of Meiosis 1. Shade in the paternal chromosomes and label the appropriate chromatid with the correct gene symbol for the Glowing Green Blood Degree 3 allele it carries. Be sure to label each allele and each chromosome. Do ...

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by david23
Fri Sep 14, 2012 11:03 pm
 
Forum: Genetics
Topic: Genetics Homeworkkk!!! PLEASE HELP
Replies: 5
Views: 4051

Genetics Homeworkkk!!! PLEASE HELP

... chromosomes for Metaphase of Mitosis and one possibility for Metaphase of Meiosis 1. Shade in the paternal chromosomes and label the appropriate chromatid with the correct gene symbol for the Glowing Green Blood Degree 3 allele it carries. Be sure to label each allele and each chromosome. Do ...

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by els09011
Thu Sep 13, 2012 1:09 am
 
Forum: Genetics
Topic: Genetics Homeworkkk!!! PLEASE HELP
Replies: 5
Views: 4051

Sporophyte, spermatogenesis and oogenesis?

Can someone practice work for my intro to genetics class State how many chromosomes and chromatid are found is this correct... spermatogenesis --------------------------------------… Primordial germ cells- 2n =46 chromosomes and 46 chromatid..because chromosomes have ...

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by jacobamark99
Fri May 27, 2011 5:38 pm
 
Forum: Genetics
Topic: Sporophyte, spermatogenesis and oogenesis?
Replies: 0
Views: 3625
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