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In somatic synapsis, _____ pair up?

In somatic synapsis, _____ pair up?
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Synapsis refers to close alignment or pairing of homologous chromosomes in pre and early meiotic stages. In meiosis, homologous chromosomes pair up in prophase and align on a central diagonal in metaphase. Somatic synopsis is a phenomenon that occurs in dipteran insects and yeast in which chromosomal pairing occurs in the somatic cells during mitosis. Synapsis occurs through the formation of the synaptonemal complex as core in homologous chromosome pairing. So basically, homologous chromosomes pair up in somatic synapsis.

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