Topic 5 Cell Division: Genetic Variation

Question 1

• Meiosis is all about producing genetic variation. If it weren’t for genetic recombination, you would be identical to your siblings.

Answer 1

Genetic Variation

Question 2

1. Crossing over during prophase I
2. Independent assortment of homologues during metaphase I
   a. Entry of chromosomes into one cell does not affect entry of other chromosome
3. Random joining of gametes, aka germ cells
   a. The sperm randomly selects an egg to fertilize

Answer 2

3 Events of Genetic Variation