AP BIO chapter 10 vocab
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Created by:
MARINAMAY44 on November 17, 2010
Subjects:
meiosis and sexual reproduction
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11 terms
Terms | Definitions |
|---|---|
 bivalent | The structure formed by the pair of homologous chromosomes during crossing over. Also called a tetrad because it consists of four chromatids. |
| crossing-over | when non-sister chromatids cross, break, and recombine, introducing more variation |
| diploid | (genetics) an organism or cell having two sets of chromosomes or twice the haploid number |
| haploid | (genetics) an organism or cell having only one complete set of chromosomes |
| gamete | a mature sexual reproductive cell |
| homologous chromosomes | chromosomes that have the same sequence of genes and the same structure |
| homologue | One member of a homologous pair of chromosomes |
| meiosis | cell division that produces reproductive cells in sexually reproducing organisms |
| polar body | To conserve nutrients, the majority of cytoplasm is segregated into the secondary oocyte during meiosis I, and the ovum during meiosis II. The remaining daughter cells generated from the meiotic events are small and contain relatively little cytoplasm and are referred to as______________. They eventually degenerate. |
| oogenesis | the production, growth, and maturation of an egg, or ovum |
| oocyte | Immature egg cell |
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