In a human karyotype, chromosomes are arranged in 23 pairs. If we choose one of

Question

In a human karyotype, chromosomes are arranged in 23 pairs. If we choose one of these pairs, such as pair 14, which of the following do the two chromosomes of the pair have in common?

a) Length, centromere position, staining pattern, and DNA sequences.
b) Length, centromere position, and staining pattern only.
c) Length and position of the centromere only.
d) They have nothing in common except they are X-shaped.
e) Length, centromere position, staining pattern, and traits coded for by their genes.

** I have tried b) , but it was wrong. Please explain your answer

Explanation / Answer

The only difference between them is the alleles. So one might be from your mother and have a blue eye gene, the other from your father has a black eye gene. Everything else is identical, including banding pattern and DNA sequences. so the answer is a

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