Bivalents in meiosis are
(a) tetrad
(b) pairs of non-homologous chromosomes
(c) pairs of several chromatids
(d) pairs of homozygous chromosomes
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The correct answer is (c)pairs of several chromatids.
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Bivalents in meiosis are tetrads.
* Bivalents consist of a pair of homologous chromosomes and a total of four chromatids, known as sister chromatids.
These four chromatids are together known as tetrads.
* It is found to occur during the first step of meiosis, the pachytene stage of prophase I.
* Next, they form chiasmata to bring about recombination between homologous chromosomes.
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