Unit 3: Genetics Extras  Study Guide


Chapter 15 9 Review
  1. Mendel's laws can be explained by the theory of inheritance and production of gametes by .
     
  2. Thomas Hunt Morgan's experiments with fruit flies (Drosophila) showed that the eye-color is sex-linked and located on the chromosome.
     
  3. In humans and other mammals, the sex chromosomes and determine an organism's gender.
     
  4. Other forms of sex determination include a system used by many social insects.
     
  5. -linked disorders exhibit peculiar inheritance patterns.
     
  6. occurs when homologous chromosomes or sister chromatids do not separate normally in meiosis.
     
  7. A female heterozygous for an X-resident gene may show phenotype, due to X inactivation.
     
  8. Chromosome alterations include , , , and . 
     
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