Question

Lampbrush chromosomes are observed in

A

Insect larva

B

Oocytes

C

Sperms

D

Salivary glands

Medium
Solution
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Correct option is B)

Lampbrush chromosomes are a special form of chromosome found in the growing oocytes (immature eggs) of most animals, except mammals. Chromosomes transform into the lampbrush form during the diplotene stage of meiotic prophase I due to an active transcription of many genes. They are highly extended meiotic half-bivalents, each consisting of 2 sister chromatids.

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