Genetics and Heredity

  1. Sex-Linked Inheritance
    1. Sex Determination Systems
      1. XY System
        1. ZW System
          1. Haplodiploidy
            1. Environmental Sex Determination
            2. Sex Chromosomes
              1. X Chromosome
                1. Gene Content
                  1. Dosage Compensation
                  2. Y Chromosome
                    1. Gene Content
                      1. Male-Determining Region
                      2. Pseudoautosomal Regions
                      3. X-Linked Inheritance
                        1. X-Linked Recessive Traits
                          1. Inheritance Patterns
                            1. Hemizygous Males
                              1. Carrier Females
                                1. Pedigree Characteristics
                                2. X-Linked Dominant Traits
                                  1. Inheritance Patterns
                                    1. Affected Males and Females
                                      1. Pedigree Characteristics
                                      2. X-Inactivation
                                        1. Lyon Hypothesis
                                          1. Barr Bodies
                                            1. Mosaic Females
                                          2. Y-Linked Inheritance
                                            1. Holandric Traits
                                              1. Patrilineal Inheritance
                                                1. Y Chromosome Markers
                                                2. Sex-Influenced Traits
                                                  1. Definition and Examples
                                                    1. Hormonal Effects
                                                      1. Pattern Baldness
                                                      2. Sex-Limited Traits
                                                        1. Definition and Examples
                                                          1. Anatomical Restrictions
                                                            1. Milk Production in Mammals

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                                                          6. Linkage, Crossing Over, and Gene Mapping

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                                                          8. Gene Mutation and Genetic Variation