Genetic Influences Quiz

Question 1

The effects of parental nurture begins to have an impact on offspring

Answer 1

during the prenatal period

Question 2

A random error in gene replication is called

Answer 2

a mutation

Question 3

__________ is the branch of genetics that examines the genetic and environmental contributions to personality characteristics and behavior.

Answer 3

Behavioral genetics

Question 4

A basically shy individual choses the relatively solitary occupation of software design as a career. This is an example of

Answer 4

gene-environment interaction

Question 5

Human traits are usually:

Answer 5

influenced by gene acting together

Question 6

When both parents’ contributions to a gene pair are recessive, the pair is referred to as

Answer 6

homozygous

Question 7

_________ is a dominant or recessive variant of a particular gene.

Answer 7

An allele

Question 8

_______ are like the words that make up the “books” of instructions called chromosomes.

Answer 8

Genes

Question 9

Given a uniform environment, the extent to which trait variation can be attributed to differing genes is called

Answer 9

Heritability

Question 10

_________ is an example of a genetic disorder that is carried by a dominant gene.

Answer 10

Huntington’s disease