Sex determination and genetic disorders
Part 3 — how chromosomes decide sex, and how changes in genes and chromosomes cause disorders.
In this lesson you will
- Compare sex determination in humans, birds, grasshoppers and honey bees
- Use pedigree charts to follow a trait through a family
- Explain the inheritance of haemophilia and colour blindness
- Describe sickle-cell anaemia, phenylketonuria, thalassemia and the chromosomal disorders Down’s, Klinefelter’s and Turner’s syndromes