Botany - Cell Cycle and Cell Division Question with Solution | TestHub

BotanyCell Cycle and Cell DivisionMeiosisEasy2 minPYQ_2020
BotanyEasysingle choice

How many of the given statements are incorrect?

A.Nucleolus and nuclear membrane disappear in prophase.
B.Synaptonemal complex formation occurs during zygotene.
C.The enzyme responsible for crossing over in pachytene is recombinase.
D.Chiasmata formation occurs in diakinesis.

Options:

Answer:
A
Solution:

Nucleolus and nuclear membrane disappear during prophase and reappears during telophase of cell division. Synaptonemal complex is a protein network that holds two chromosomes of a bivalent formed during synapsis in the zygotene of prophase I of meiosis. Chiasmata formation arises during diplotene stage

Stream:NTA_ABHYAS_NEETSubject:BotanyTopic:Cell Cycle and Cell DivisionSubtopic:Meiosis
⏱ 2mℹ️ Source: PYQ_2020

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