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Hace 16 horas · Meiosis by Bozeman science - 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. Time ...
Hace 16 horas · In sexually reproducing organisms, a specialized form of cell division called meiosis produces cells called gametes or germ cells that are haploid, or contain only one copy of each gene. ... During the process of meiotic cell division, an event called genetic recombination or crossing-over can sometimes occur, ...
Hace 16 horas · Tomatoes: whole, halved vertically and halved horizontally. The tomato (/ t ə m eɪ t oʊ / or / t ə m ɑː t oʊ /) is the edible berry of the plant Solanum lycopersicum, commonly known as the tomato plant. The species originated in western South America, Mexico, and Central America. The Nahuatl word tomatl gave rise to the Spanish word tomate, from which the English word tomato derives.
