7.2 Populations

Question 1

What is a population?

Answer 1

• A group of organisms of the same species in a particular space at a particular time
• That can potentially interbreed to produce fertile offspring

Question 2

What is a gene pool?

Answer 2

All the alleles of all the genes in a population at a time

Question 3

What is allele frequency?

Answer 3

Proportion of an allele of a gene in a gene pool

Question 4

What does the Hardy-Weinberg principle state?

Answer 4

• Allele frequencies will mot change from generation to generation
• As long as population is large, mating is random, no immigration, no mutations, no selection
• P^2 + 2pq + q^2 = 1