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Mama L [17]
2 years ago
15

A mature ovum produced from division of a primary oocyte has 18 chromosomes. How many chromatids were present in the primary ooc

yte during prophase I of meiosis
Biology
1 answer:
a_sh-v [17]2 years ago
6 0

72 chromatids were present in the present in the primary oocyte during  prophase 1 of meiosis.

The primary oocyte contains 72 chromatids during prophase 1 of meiosis as the mature ovum has 18 chromosomes.

The primary oocyte contains 72 chromatids , that means it contains 144 chromosomes. During the first meiotic division, it produces one secondary oocyte and one polar body.

The secondary oocyte  has 72 chromatids, which again undergoes second meiotic division and produces mature ovum and second polar body . The mature ovum contains contains 36 chromatids which means it has 18 chromosomes.

Learn more about oogenesis from

brainly.com/question/1255767

#SPJ4

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