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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 |