Please read Sources of Genetic Recombination p.565-567
- In your notebook describe the following:
- What is independent Assortment? When does it happen and why? Make a drawing to illustrate the concept.
- What is crossing-over? When does it happen and why? Make a drawing to illustrate the concept.
- What means nondisjunction? Explain what happens during anaphase I and II of meiosis.
- Define the term monosomy and trisomy. Give an example of a disorder that is caused by monosomy and trisomy.
Please read Cell division and the Conception of Twins p. 570
- Explain how the development of fraternal twins is different from the development of identical twins.