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Cell Cycle
Sexually reproducing eukaryotes
Meiosis
Two successive divisions producing four haploid gametes with genetic diversity.
Overview
Meiosis I separates homologous chromosomes after recombination (crossing over) during prophase I, reducing chromosome number by half. Meiosis II resembles mitosis, separating sister chromatids. Key unique features include synapsis, crossing over, and independent assortment.
Cellular Location
Gonads (ovaries, testes)
Clinical Significance
Basis of sexual reproduction and genetic diversity; errors cause aneuploidy (Down syndrome, Turner syndrome).