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Evolution and Genetics Task 2: Peas, Genes, and Inheritance

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It is the summary of Task 2. It has all the notes from the mandatory literature textbooks (Nettle, Campbell, Plomin). It has a summary of the lecture 2 It also includes the summary of the mandatory articles: Plomin, R., DeFries, J. C., Knopik, V. S., & Neiderhiser, J. M. (2016). Top 10 Replicated Findings From Behavioral Genetics. Perspectives on Psychological Science Maher, B. (2008). Personal Genomes: The case of the missing heritability. Nature, 456(7218), 18-21.

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Task 2:

1. What are Mendelian laws? (connection to Darwin?)
o What are is the Hardy-Weinberg equilibrium?

2. What are the limitations of the Mendelian laws?

3. How can we estimate heritability? What are heritability estimates?
o What is heritability really?




LECTURE 2:




- Continuous distribution is caused by polygenic genes
o They are quantitative inheritance
§ Such as height, pea seed size
§ They are not one or the other but they follow a normal distribution
- Discontinuous distr. Is caused by 1 gene by 2 alleles.


- You can only hold 2 alleles because we have 2 chromosomes.
- Homozygous → same alleles (aa or AA)
The principles are the same
They do not violate Mendel’s laws

,- Heterozygous → different alleles (Aa)

, Locus → location of the gene on a chromosome

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Uploaded on
May 27, 2022
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2020/2021
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Class notes
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Mike gerards
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Task 2: peas, genes and inheritance
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