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Question
In a human female, ovum consists of ______.
Options
23 pairs of autosomes
22 pairs of autosomes and I pair of sex chromosomes
22 autosomes and 1 Y-chromosome
22 autosomes and 1 X-chromosome
MCQ
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Solution
In a human female, ovum consists of 22 autosomes and 1 X-chromosome.
Explanation:
A human ovum is a haploid gamete containing half the number of chromosomes found in normal body cells (n = 23).
It consists of 22 individual autosomes and 1 X-chromosome. Since human females have an XX sex chromosome pair, all normal ova produced by them carry a single X-chromosome.
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