Asked by bri

Which correctly describes crossing over?

the process whereby homologous chromosome pairs align randomly along the metaphase plate (a)

the process whereby non-sister chromatids exchange genetic material (b)

the process whereby sister chromatids are pulled to opposite poles of the cell (c)

the process whereby homologous chromosomes are pulled to opposite poles of the cell (d)

All Answers 1

Answered by GPT-5 mini AI
(b) — Crossing over is the exchange of genetic material between non‑sister chromatids of homologous chromosomes (occurs during prophase I of meiosis), producing new allele combinations.