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

1. Introduction to Genetics

History of Genetics

Genetics

1. Introduction to Genetics

History of Genetics

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2:36 minutes

Problem 14d

Textbook Question

Briefly describe the contribution each of the following people made to the development of genetics or genetic analysis.
William Bateson:

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Understand the context: William Bateson was a prominent figure in the early development of genetics, and his contributions are foundational to the field.

Recognize that Bateson was the first to use the term 'genetics' to describe the study of heredity and variation, which helped establish the field as a distinct scientific discipline.

Note that Bateson was a strong advocate for Mendel's principles of inheritance, promoting their importance and translating Gregor Mendel's work into English, making it accessible to a broader audience.

Acknowledge that Bateson contributed to the understanding of genetic linkage, which refers to the tendency of certain genes to be inherited together because they are located on the same chromosome.

Summarize his role in advancing the field: Bateson’s efforts in coining terminology, promoting Mendelian genetics, and exploring genetic linkage laid the groundwork for modern genetic analysis.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Mendelian Genetics

Mendelian genetics refers to the principles of heredity established by Gregor Mendel through his experiments with pea plants. He discovered the laws of segregation and independent assortment, which describe how traits are inherited from one generation to the next. Bateson built upon Mendel's work, emphasizing the importance of these principles in understanding genetic variation and inheritance patterns.

Terminology in Genetics

William Bateson was instrumental in coining key genetic terms such as 'genetics' itself, which he introduced in 1905. He also contributed to the understanding of 'alleles' and 'phenotypes,' which are essential for discussing genetic traits and variations. This terminology laid the groundwork for future genetic research and communication within the field.

Experimental Genetics

Bateson was a pioneer in experimental genetics, conducting research that demonstrated the inheritance of traits in various organisms. His work with hybridization and the study of inheritance patterns in animals and plants helped to validate Mendelian principles. This experimental approach was crucial for establishing genetics as a scientific discipline and advancing the understanding of heredity.

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Related Practice

Textbook Question

Plant agriculture and animal domestication developed independently several times and in different locations in human history. Do a brief Internet search and then list the approximate locations, time periods, and crops developed in three of these agricultural events. What role do you think ideas about heredity may have played in these events?

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