Table of contents

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

During prophase I of meiosis, what is the process called when homologous chromosomes from each parent pair up based on similarity?

Segregation

Crossing over

Synapsis

Independent assortment

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Verified step by step guidance

Understand that during prophase I of meiosis, homologous chromosomes (one from each parent) come together to form pairs based on their similarity in size, shape, and gene sequence.

Recognize that this pairing process is essential for the accurate exchange of genetic material and proper chromosome segregation later in meiosis.

Identify the term used to describe this pairing of homologous chromosomes: it is called \textbf{synapsis}.

Differentiate synapsis from other related processes: \textit{segregation} refers to the separation of chromosomes during anaphase, \textit{crossing over} is the exchange of genetic material between homologous chromosomes after synapsis, and \textit{independent assortment} describes the random distribution of chromosomes to gametes.

Conclude that the correct term for the pairing of homologous chromosomes during prophase I is \textbf{synapsis}.