Question

which of the statements below about crossing over is correct?
a it occurs between non-homologous chromosomes
b it occurs during mitosis
c it results in the exchange of genetic material between homologous chromosomes
d it decreases genetic variation

Answer 1

The correct statement about crossing over is:

**c. it results in the exchange of genetic material between homologous chromosomes.**

Crossing over occurs during meiosis, specifically during prophase I, and involves the exchange of genetic material between homologous chromosomes, leading to increased genetic variation.