Crossing Over Is One of the Most Important Events in Meiosis

question 60

Multiple Choice

Crossing over is one of the most important events in meiosis because

• A) it produces new combinations of alleles on chromosomes.
• B) separation of homologous chromosomes occurs.
• C) separation of sister chromatids occurs.
• D) it results in the production of haploid gametes.
• E) it aligns homologous chromosomes at the center of the cell so that they can be separated in anaphase II.