Genetics, Populations, Evolution and Ecosystems: Populations -

Question 1

Define species

Answer 1

• A group of similar organisms that can reproduce to give fertile offspring

Question 2

Define population

Answer 2

• A group of organisms of the same species occupying a particular space at a particular time that can potentially interbreed

Question 3

Define gene pool

Answer 3

• Complete range of alleles present in a population

Question 4

Define allele frequency

Answer 4

• How often an allele occurs in a population

Question 5

What is the Hardy-Weinberg principle?

Answer 5

• Principle that predicts that allele frequency of a gene in a population won’t change over generations under certain conditions

Question 6

What are the conditions that make the Hardy-Weinberg principle work?

Answer 6

• Large population
• No immigration or emigration
• Random mating
• No natural selection
• No gene mutation