In life cycles that alternate between haploid and diploid stages, acts to reduce the number of chromosomes per cell from two sets to one set. in life cycles that alternate between haploid and diploid stages, acts to double the number of chromosome per cell from one set to two sets. in life cycles that alternate between haploid and diploid stages, acts to keep the number of chromosomes per cell the same. in animals, a single diploid cell called a divides by mitosis to give rise to all the cells of the adult body.

meiosis_

fertilization

mitosis

zygote

Explanation:

In life cycles that alternate between haploid and diploid stages, meiosis_ acts to reduce the number of chromosomes per cell from two sets to one set. In life cycles that alternate between haploid and diploid stages, ___fertilization__ acts to double the number of chromosome per cell from one set to two sets. In life cycles that alternate between haploid and diploid stages, mitosis acts to keep the number of chromosomes per cell the same. In animals, a single diploid cell called a zygote divides by mitosis to give rise to all the cells of the adult body.

who knows

explanation:

answer; i believe the answer is (polygenic inheritance;