Question

When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, ___ occurs.

Fertilization
Hybridization
Mutagenesis
Crossing over

Answer 1

[AI-generated answer — Bot]

Crossing over.

Answer 2

[AI-generated answer — Step-by-Step Bot]

When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, crossing over occurs.