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MB Chapter 8, Section 3
Term | Definition |
---|---|
synapsis | the pairing of homologous chromosomes during meiosis |
tetrad | the four chromatids in a pair of homologous chromosomes that come together as a result of synapsis during meiosis |
crossing-over | the exchange of genetic material between homologous chromosomes during meiosis; can result in genetic recombination |
genetic recombination | the regrouping of genes in an offspring that results in a genetic makeup that is different from that of the parents |
independent assortment | the random distribution of the pairs of genes on different chromosomes to the gametes |
spermatogenesis | the process by which male gametes form |
oogenesis | the production, growth, and maturation of an egg, or ovum |
polar body | three products of meiosis |
sexual reproduction | reproduction in which gametes from two parents unite |