Chapter 14

Question 1

14.1

What group of organisms will have many different genotypes?

Answer 1

a population with a gene pool that has many variants in many different genes

Question 2

14.1

What are mutations?

Answer 2

the ultimate source of differences among genotypes

Question 3

14.1

What is polymorphism?

Answer 3

refers to any genetic difference among individuals that is present in multiple individuals in a population

Question 4

14.1

What is polymorphism a result of?

Answer 4

a mutation that occurred in the past, spread through the population, and is now shared among a subset of individuals in a population

Question 5

14.1

What are alleles?

Answer 5

different forms of any genes that correspond to different DNA sequences (polymorphisms) in the genes

Question 6

14.1

What is homozygous?

Answer 6

an individual who inherits the same allele of a gene from each parent

Question 7

14.1

What is heterozygous?

Answer 7

an individual who inherits a different allele of a gene from each parent

Question 8

14.1

Are phenotypes always visible?

Answer 8

no, it may be seen in the development, physiology, or behaviour of a cell or organism