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Question
In humans, the following structure has 23 chromosomes:
Options
spermatogonia
secondary oocyte
oogonia
zygote
MCQ
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Solution
Secondary oocyte
Explanation:
In humans, the secondary oocyte has 23 chromosomes because it is a haploid cell formed after the first meiotic division during oogenesis. Spermatogonia and oogonia are diploid with 46 chromosomes, and a zygote has 46 chromosomes, combining chromosomes from both parents. Thus, only the secondary oocyte has 23 chromosomes.
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