During meiosis I, the chromosomes start pairing at

During Meiosis I The Chromosomes Start Pairing At Biology Question

During meiosis I, the chromosomes start pairing at

Options

(a) Leptotene
(b) Zygotene
(c) Pachytene
(d) Diplotene

Correct Answer:

Zygotene

Explanation:

During zygotene, a substage of Prophase I of meiosis I, chromosomes start pairing together called synapsis. Such paired chromosomes are called as homologous chromosomes. A complex structure i.e., synaptonemal complex is formed by a pair of synapsed homologous chromosomes called a bivalent or a tetrad.

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Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Cell Structure and Functions (413)
Subject: Biology (4253)

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