Unit 7B: Populations And Evolution

Question 1

What is a population

Answer 1

All of the members of one species in a habitat at the same time that can potentially interbreed.

Question 2

What is population genetics

Answer 2

• the study of the genetic composition of populations rather than individuals
• helps scientists look at the genetic differences / variation and similarities both within and between populations.

Question 3

What is a polymorphic gene

Answer 3

Genes that may have multiple different forms (alleles) within a population.

Question 4

What is a Mendelian population

Answer 4

• may be considered to be a group of closely related, sexually reproducing organisms residing within defined geographical boundaries within which each member has an equal chance of mating with any other member of the population

Question 5

What is a gene pool

Answer 5

The total number of alleles of a particular gene that are present within a population at a particular time.