Which sentence describes why meiosis and fertilization produce genetic
variation?
O A. Meiosis allows cells to create new genes that are not from either
parent cell.
OB. The zygote has a mixture of chromosomes from gametes of two
different parent cells.
OC. During fertilization, the number of chromosomes doubles, so the
offspring have more chromosomes than the parents.
D. Following fertilization, the cell undergoes meiosis to reduce the
chromosome number of the zygote by half.