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Question

Tetrad is made of ______________.


A
Four homologous chromosomes with four chromatids
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B
Two homologous chromosomes, each with two chromatids
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C
Four non-homologous chromatids
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D
Four non-homologous chromosomes
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Solution

The correct option is A Four homologous chromosomes with four chromatids
Tetrads are formed in prophase I of meiosis I. Tetrad consist of two homologous chromosomes, each with two chromatids. Thus, a tetrad consists of 4 chromatids, two of which belong to each chromosome called sister chromatids which are joined at the centromere.

Biology

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