Yesterday we finished chapter 3, on Mendelian genetics.
We discussed more complex phenotypes that made Mendel's principles harder to study in many organisms, and how they do not conflict with them when considering the genotypes. Such phenotypic variations to Mendel's theme are:
- Incomplete dominance
- Codominance
- Multiple alleles
- Gene interactions (mainly epistasis)
We also started chapter 4, on pedigree analysis.
We briefly revisited the reasons for which human genetics cannot be studied experimentally and introduced the modes of inheritance of human Mendelian traits.
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