Meiosis and sexual reproduction
Fill in the blanks with the words provided.
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.
During fertilization, each haploid ________ contains the entire genetic contribution from one of the two parents.
Cells that have one set of chromosomes are called ________.
Cells that have two sets of chromosomes are called ________.