Synapsis is the process of pairing together of two ________.
A
homologous chromosomes
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B
sister chromatids
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C
non-homologous chromosomes
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D
sister chromatids of non-homologous chromosomes
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Solution
The correct option is A homologous chromosomes Synapsis is the pairing of homologous chromosomes that start during the zygotene phase of prophase I of meiosis I. It is essential for the recombination of genetic material between homologous chromosomes.
Each of the homologous chromosomes are composed of two identical sister chromatids which are formed as a result of DNA replication during S-phase of the cell cycle.