Which describes why meiosis promotes genetic variability?
A) Meiosis produces four gametes that have half the number of chromosomes of the parent cell.
B) Meiosis produces four gametes that have twice the number of chromosomes of the parent cell.
C) Meiosis produces four gametes that have the same number of chromosomes as the parent cell.
D) Meiosis produces four gametes that have four times the number of chromosomes of the parent cell.