Examveda
Examveda

Chiasmata termininaliztion occurs in

A. Pachytene

B. Diplotene

C. Zygotene

D. Leptotene

Answer: Option D

Solution(By Examveda Team)

Chiasmata termininaliztion occurs in Leptotene.
Leptotene is the first stage of the prophase of meiosis, during which each chromosome becomes visible as two fine threads (chromatids).
Chiasmata is a point at which paired chromosomes remain in contact during the first metaphase of meiosis, and at which crossing over and exchange of genetic material occur between the strands.
Whereas the terminisation of chiasmata is the movement of transverse bonds between paired chromosomes in meiosis from their points of origin toward the ends of the chromosomes.

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