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

1. Introduction to Genetics

History of Genetics

Genetics

1. Introduction to Genetics

History of Genetics

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Multiple Choice

Why did Thomas Hunt Morgan choose Drosophila melanogaster (fruit flies) for his genetics experiments?

They naturally exhibit very few mutations.

They are large organisms that are easy to dissect.

They are closely related to humans at the genetic level.

They have a short generation time and produce many offspring.

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Verified step by step guidance

Understand the importance of model organisms in genetics: Scientists choose organisms that allow for efficient and clear observation of genetic principles.

Consider the characteristics that make an organism suitable for genetic studies, such as short generation time, large number of offspring, ease of maintenance, and observable traits.

Recognize that Drosophila melanogaster (fruit flies) have a short generation time, meaning they reproduce quickly, allowing multiple generations to be studied in a short period.

Note that fruit flies produce many offspring, increasing the sample size for genetic crosses and making it easier to observe inheritance patterns and mutations.

Conclude that these features (short generation time and many offspring) make Drosophila melanogaster an ideal organism for genetic experiments, which is why Thomas Hunt Morgan chose them.