Table of contents

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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

3. Extensions to Mendelian Inheritance

Understanding Independent Assortment

Genetics

3. Extensions to Mendelian Inheritance

Understanding Independent Assortment

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Multiple Choice

Which statement best explains why chromosomes, rather than individual genes, assort independently during meiosis?

Because chromosomes are identical and always carry the same genes.

Because genes located on the same chromosome tend to be inherited together unless separated by crossing over.

Because genes on different chromosomes cannot undergo recombination.

Because each gene is always inherited independently of its chromosomal location.

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Verified step by step guidance

Understand the concept of independent assortment, which states that genes located on different chromosomes are inherited independently of each other during meiosis.

Recognize that chromosomes, not individual genes, are the units that segregate independently during meiosis I, because homologous chromosome pairs align and separate independently.

Recall that genes located close together on the same chromosome tend to be inherited together because they are physically linked, unless crossing over occurs between them.

Note that crossing over during prophase I of meiosis can separate linked genes, allowing for recombination and independent inheritance of genes on the same chromosome.

Conclude that chromosomes assort independently because whole chromosomes segregate independently, but genes on the same chromosome may not assort independently unless crossing over separates them.