BS110

What is polygenic Inheritance?

When multiple genes affect 1 trait.Continous variation is a characteristic of polygenic inheritance. (e.g. height of humans)

Pleitotropy

When a single gene affects multiple different traits.Exam a defect in gene which codes for a protein for oxygen transport leads to disfunctions throughout the body (kidney, heart, etc)Gene-> protein -> trait 1, 2, 3

Epistasis

One gene affects the action of another gene (e.g. pigmentation)

Polymorphic traits

When multiple alleles produce more than two distinct phenotypes (e.g. blood group in humans)

How many Hydrogen bonds do A-T have?

2

How many Hydrogenbonds between C and G?

3