Morgan proposed that genetic exchange or recombination occurs in the region of
A
Chiasmata
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B
Linkage
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C
Centromere
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D
Telomere
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Solution
The correct option is D Chiasmata
Chiasma is a physical link, between two (non-sister) chromatids belonging to homologous chromosomes which remain in contact during the first metaphase of meiosis, and at which crossing over and exchange of genetic material occur between the strands.