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Question

Pairing of homologous chromosomes is called as

A
Crossing over
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B
Chiasma formation
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C
Synapsis
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D
Disjunction
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Solution

The correct option is C Synapsis
In zygotene, the homologous chromosomes come to lie side by side and get attached laterally due to the development of nucleoprotein between them. Pairing is such, that the genes of the same character present on the two chromosomes come to lie exactly opposite. The pairing of homologous chromosomes is called as synapsis or syndesis.
So, the correct answer is option C.

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