The Nature of Heredity. Brainstorm Genetics How do we get the traits we get? Why do I have green eyes, you have brown, blue, green eyes etc.? Why do.
Zygote: Union of sperm & ovum at conception Contains 23 pairs of chromosomes One pair from each parent Each pair influences a characteristic
Other Factors Can Affect Genetic Variation In A Population Natural Selection drives the evolution (change in genetic material) of a population Other factors.
