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14 Cards in this Set
- Front
- Back
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Sexual Reproduction |
Reproductive mode by which offspring arise from two parents and inherit genes from both |
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Somatic |
Relating to the body |
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Alleles |
Forms of a gene that encode slightly different versions of the gene's product |
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Meiosis |
Nuclear division process that halves the chromosome number. Basis of sexual reproduction |
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Germ cells |
Diploid reproductive cell that gives rise to haploid gamates by meiosis |
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Gametes |
Mature, haploid reproductive cell; e.g., egg or a sperm |
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Haploid |
Having one of each type of chromosome characteristic of the species |
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Fertilization |
Fusion of two gametes to form a zygote |
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Zygote |
Cell formed by fusion of two gametes; the first cell of a new individual |
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Crossing over |
Process in which homologous chromosomes exchange corresponding segments during prophase I of meiosis |
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Sporophyte |
Diploid, spore producing stage of a plant life cycle |
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Gametophytes |
A haploid, multicelled body in which gametes form during the life cycle of plants |
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Sperm |
Mature male gamete |
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Egg |
Mature female gamete, or ovum |
