Answer the following question given this paragraph: When homologous chromosomes form pairs during prophase I of meiosis I, crossing-over can occur. Crossing-over is the exchange of genetic material between non-sister chromatids of homologous chromosomes. It results in new combinations of genes on each chromosome. Q: When do homologous chromosomes form pairs? Choices: - mitosis - metathesis - transcripton - meiosis A:
The answer to this question is:
meiosis