Podcast
Questions and Answers
What is the primary outcome of meiosis?
What is the primary outcome of meiosis?
- Increasing genetic mutation rates
- Duplication of diploid cells
- Production of somatic cells
- Production of haploid gametes (correct)
During which phase does genetic recombination occur?
During which phase does genetic recombination occur?
- Meiosis I (correct)
- Meiosis II
- S phase
- Cytokinesis
How many sperm cells can be produced from one diploid cell in the testes?
How many sperm cells can be produced from one diploid cell in the testes?
- 3
- 4 (correct)
- 2
- 1
What occurs during oogenesis in the ovaries?
What occurs during oogenesis in the ovaries?
Which statement correctly describes meiosis?
Which statement correctly describes meiosis?
Flashcards
Meiosis
Meiosis
A type of cell division that produces gametes (sperm and egg cells) with half the number of chromosomes as a normal cell.
Diploid cell
Diploid cell
A cell with two sets of chromosomes, one from each parent.
Haploid cell
Haploid cell
A cell with only one set of chromosomes.
Spermatogenesis
Spermatogenesis
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Oogenesis
Oogenesis
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Study Notes
Meiosis
- Creates reproductive cells
- Each duplicated cell duplicates its DNA and produces 4 new haploid cells
- Process of meiosis occurs in two stages
Stages of Meiosis
- Cells divide in two stages: meiosis I and meiosis II
- Meiosis I: allows for genetic material exchange between parent's chromosomes
- Called genetic recombination
- Meiosis produces reproductive cells called gametes
- Testes make sperm through spermatogenesis
- One cell in testes creates 4 sperm cells (4:1 ratio)
- Ovaries make eggs through oogenesis
- Only one egg is produced from meiosis, and 3 small polar bodies are degraded.
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