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BSC1010-Meiosis
PBSC-BSC- Meiosis
| Question | Answer |
|---|---|
| What is the purpose of meiosis (producing gametes)? | Sexual reproduction |
| How many chromosomes in a human gamete (egg or sperm)? | 23 |
| Another name for sex cells (eggs & sperm): | Gametes |
| What are the female sex chromosomes? | Another name for sex cells (eggs & sperm): |
| Explain how crossover occurs? (Between what portions of chromosomes) | Non-sister chromatids of homologous chromosomes |
| The processs of meiosis and gamete formation in females. | Oogenesis |
| Compared to mitosis, how many stages of meiosis are there? | Eight (4 -PMAT I and 4 PMAT II) |
| Name all 3 cell types which are haploid during meiosis in females. | Secondary oocyte, ovum and polar bodies |
| What is the purpose of crossover during meiosis? | Genetic Mixing (Recombination) |
| Total number of chromosomes in a human diploid cell. | 46 |
| Name all 3 cell types which are haploid during meiosis in males. | Secondary spermatocytes, spermatids, sperm |
| The primary germ cell in female humans (diploid). | Oogonium |
| What are the male sex chromosomes? | XY |
| The nuclear division mechanism whereby the daugher cells are haploid. | Meiosis |
| Alternative forms of the same genes are called _______. | Alleles |
| The processs of meiosis and gamete formation in males. | Spermatogenesis |
| The type of cells which will undergo meiosis. | Germ Cells |
| The primary germ cell in male humans (diploid). | Spermatogonium |
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