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vocabulary meiosis
important word science
| Question | Answer |
|---|---|
| Gamete | mature sexual reproductive cell, as a sperm or egg, that unites with another cell to form a new organism. |
| Haploid | ell having only one complete set of chromosomes |
| Oogenesis | the origin and development of the ovum. |
| Ovum/ova | the female reproductive cell or gamete of animals, which is capable of developing |
| sperm | a male reproductive |
| Zygote | the egg and the sperm |
| Tetrad | group of four chromatids formed by synapsis at the beginning of meiosis. |
| Synapsis | pairing of homologous chromosomes, one from each parent, during early meiosis |
| Fertilization | the union of male and female gametic nuclei. |
| Disjunction | proposition that is true if and only if at least one of a number |
| Gametogenesis | he development of gametes. |
| Homologous chromosome | Either member of a single pair of chromosomes. |
| Crossing over | interchange of corresponding chromatid segments of homologous chromosomes |
| Gonads | sex gland in which gametes are produced; an ovary or testis. |
| Spermatogenesis | the origin and development of spermatozoa. |
| Polar Bodies | one of the minute cells arising from the unequal meiotic divisions |
| meiosis | the process of gamete formation |
| Variation | a different form of something; variant. |
| Nondisjunction | failure of chromosomes to separate and segregate into daughter cells at division. |