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Question

Lampbrush chromosomes are also called diplotene chromosomes because they

A
Show chiasmata
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B
Resemble diplotene chromosomes
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C
Are in permanent diplotene stage
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D
All of the above
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Solution

The correct option is B All of the above
  • Lampbrush chromosomes are also called diplotene chromosomes because they are formed during the diplotene stage of prophase1 of meiosis cell division due to the active transcription of many genes.
  • These chromosomes are seen during the early prophase stage and are bivalent having two conjugating homologues joined at chiasmata.
  • They are a special type of chromosome found in the developing oocytes of most animals (except mammals).
  • So, the correct answer is 'All of the above'.

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