Meiosis

Biology .

Independent Assortment

The random assortment of homologous chromosomes that occurs during meiosis.

Nondisjunction

An alteration in which homologous chromosomes fail to separate normally during meiosis

Fertilization

The joining of egg and sperm (both haploid) to produce a diploid zygota

Mutations

A change in the order of nitrogen bases in a cell’s DNA that results in different genetic sequences

Crossing Over

The exchange of genetic material that occurs between homologous chromosomes during the beginning of meiosis