Meiosis
Meiosis,
By Paul Andersen,
Bozeman Science,

Video length: 09:16.

Paul Andersen explains how the process of meiosis produces variable gametes. He starts with a brief discussion of haploid and diploid cells. He compares and contrasts spermatogenesis and oogenesis. He explains how each person is different due to independent assortment, crossing over and random fertilization.