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1. Introduction to Genetics51m
2. Mendel's Laws of Inheritance3h 37m
3. Extensions to Mendelian Inheritance2h 41m
4. Genetic Mapping and Linkage2h 28m
5. Genetics of Bacteria and Viruses1h 21m
6. Chromosomal Variation1h 48m
7. DNA and Chromosome Structure56m
8. DNA Replication1h 10m
9. Mitosis and Meiosis1h 34m
10. Transcription1h 0m
11. Translation58m
12. Gene Regulation in Prokaryotes1h 19m
13. Gene Regulation in Eukaryotes44m
14. Genetic Control of Development44m
15. Genomes and Genomics1h 50m
16. Transposable Elements47m
17. Mutation, Repair, and Recombination1h 6m
18. Molecular Genetic Tools19m
- Genetic Cloning
  9m
- Methods for Analyzing DNA
  9m
19. Cancer Genetics29m
- Overview of Cancer
  21m
- Cancer Mutations
  7m
20. Quantitative Genetics1h 26m
21. Population Genetics50m
- Hardy Weinberg
  19m
- Allelic Frequency Changes
  31m
22. Evolutionary Genetics29m

9. Mitosis and Meiosis

Meiosis

Genetics

9. Mitosis and Meiosis

Meiosis

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Multiple Choice

Which statement best defines a diploid cell during meiosis?

A cell that contains two complete sets of homologous chromosomes

A cell that has undergone crossing over and now contains recombinant chromosomes

A cell that contains only one set of chromosomes

A cell that is in the process of cytokinesis after meiosis II

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Verified step by step guidance

Understand the definition of a diploid cell: A diploid cell contains two complete sets of chromosomes, one set inherited from each parent. This means it has pairs of homologous chromosomes.

Recall the chromosome number changes during meiosis: Meiosis starts with a diploid cell and ends with haploid cells, which contain only one set of chromosomes.

Analyze the options given: Identify which option correctly describes a cell with two complete sets of homologous chromosomes, i.e., a diploid cell.

Recognize that crossing over and recombinant chromosomes occur during prophase I of meiosis but do not define diploidy; they describe genetic recombination within homologous pairs.

Note that cytokinesis after meiosis II results in haploid cells, which have only one set of chromosomes, so this does not describe a diploid cell.