prokaryote

eukaryote

eubacteria

archaea

nucleus

histone

chromatin

homologous pair

diploid

haploid

polyploid

telomere

origin of replication

sister chromatid

cell cycle

checkpoint

interphase

M phase

mitosis

cytokinesis

prophase

prometaphase

metaphase

anaphase

38

telophase

meiosis

fertilization

prophase I

synapsis

bivalent

tetrad

crossing over

metaphase I

anaphase I

telophase I

interkinesis

prophase II

metaphase II

anaphase II

telophase II

recombination

cohesin

spermatogenesis

spermatogonium

primary spermatocyte

secondary spermatocyte

spermatid

oogenesis

oogonium

primary oocyte

secondary oocyte

first polar body

ovum

second polar body

microsporocyte

microspore

megasporocyte

megaspore