Defend your claim- What is crossing over?
When the chromosomes in a sex cell exchange genetic material during Meiosis I.
When the chromosomes in a sex cell randomly sort to different ends of the cell
during Anaphase I and Anaphase II.
When two sex cells combine to create a zygote, combining the unique genetic
code from each cell during fertilization.
When two sex cells cross paths and exchange genetic material during sexual
reproduction.