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| a haploid reproductive cell that unites with another haploid reproductive cell to form a zygote |
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| the cell that results from the fusion of gametes; a fertilized egg |
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| a cell that contains two haploid sets of chromosomes |
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| describes a cell, nucleus, or organism that has only one set of unpaired chromosomes |
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| chromosomes that have the same sequence of genes, that have the same structure, and that pair during meiosis |
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| a process in cell division during which the number of chromosomes decreases to half the original number by two divisions of the nucleus, which results in the production of sex cells (gametes or spores) |
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| the exchange of genetic material between homologous chromosomes during meiosis; can result in genetic recombination |
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| the random distribution of the pairs of genes on different chromosomes to the gametes |
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| all of the events in the growth and development of an organism until the organism reaches sexual maturity |
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| the male gamete (sex cell) |
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