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Author Question: Which of the following might result in a human zygote with 45 chromosomes? A) an (Read 1718 times)

curlz

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on: Jun 18, 2013
Which of the following might result in a human zygote with 45 chromosomes?
A) an error in either egg or sperm meiotic anaphase
B) failure of the egg nucleus to be fertilized by the sperm
C) fertilization of a 23 chromosome human egg by a 22 chromosome sperm of a closely related species
D) an error in the alignment of chromosomes on the metaphase plate
E) lack of chiasmata in prophase I


coco

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Reply #1 on: Jun 19, 2013
I'm pretty sure it's A. Good luck :D


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curlz

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Reply #2 on: Jul 29, 2013
Great..that really helped.


Anonymous

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Reply #3 on: Feb 22, 2016
Thanks


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