lamp brush chromosome formation is observe during 1) leptotene 2) zygotene 3) pachytene 2) diplotene
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Answer:
option (4)
Explanation:
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.
They are a special type of chromosome found in the developing oocytes of most animals (except mammals).
So, the correct answer is 'Diplotene'.
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Answer:
The long pachytene stage begins with the completion of synapsis and is associated with further thickening and shortening of chromosomes. During this stage, exchanges of chromosome material between maternal and paternal homologous chromosomes occur by crossing over.
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