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The exchange of genetic materials between homologous chromosomes is called

a.synapsis
b. chiasmata
c.heterozygous
d. homozygous ​

User Kevin Monk
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The answer is A.

The tight pairing of the homologous chromosomes is called synapsis. In synapsis, the genes on the chromatids of the homologous chromosomes are precisely aligned with each other.
User MatsLindh
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