Meiosis

asexual reproduction

produces offspring that are identical to the parent

sexual reproduction

produces offspring that are different from the parents

chromosome

unit that packages DNA inside of cells

cytokinesis

Division of the cytoplasm

homologous chromosomes

pair of matched chromosomes. One comes from mother and the other from father

diploid

a cell with homologous chromosomes. Symbolized as 2n.

haploid

a cell with one copy of each chromosome. Symbolized as n

meiosis

cell division that produces sperm and egg cells

meiosis

cell division that produces four haploid cells

tetrad

grouping of homologous chromosomes that forms during Prophase I

synapsis

when homologous chromosomes "pair up" during meiosis

crossing over

exchange of DNA that occurs in tetrads during Prophase I

Prophase I

first phase of meiosis. Tetrads form and crossing over occurs

Prophase I

Metaphase I

Phase of meiosis when tetrads line up down the equator

Metaphase I

Anaphase I

Phase of meiosis when homologous pairs separate

Anaphase I

Telophase I

Phase of meiosis when 2 haploid cells form

Telophase I

Prophase II

Phase of meiosis where spindle reforms in 2 haploid cells

Prophase II

Metaphase II

Phase of meiosis where chromosomes line up on equator in 2 haploid cells

Metaphase II

Anaphase II

Anaphase II

Phase of meiosis where sister chromatids split in 2 haploid cells

Telophase II

Phase of meiosis where 4 haploid cells form

Telophase II

zygote

fertilized egg