Chapter 9 Powerpoint (CONT)

Question 1

a family tree showing trait inheritance through several generations

Answer 1

Pedigree

Question 2

scientists analyze mating that have already occurred

Answer 2

Pedigrees

Question 3

______ symbols include plain or shaded circles and squares connected by lines.

Answer 3

Pedigree

Question 4

Differences between groups may be environmental, despite a ____ ________.

Answer 4

High heritability

Question 5

A heritability value pertains just to the population in which it was measured and to the environment of that population.

Answer 5

true

Question 6

A highly heritable trait can still respond to environmental change

Answer 6

True

Question 7

Maze-learning ability is highly heritable in ____.

Answer 7

Rats

Question 8

all rats learned better in an ______ environment.

Answer 8

Enriched

Question 9

_______ does not tell us about individual differences.

Answer 9

Heritability

Question 10

Heritability is based on variances in ______.

Answer 10

Populations

Question 11

A ____ heritability value for a trait does not automatically mean that most of the difference between two individuals is genetic.

Answer 11

high

Question 12

_______ have a strong influence on even complex traits.

Answer 12

Genes

Question 13

But independent assortment of multiple genes with multiple alleles produces a _____ _____ of ________.

Answer 13

large number

phenotypes

Question 14

For _______ traits, it is difficult to predict the phenotype of children form the phenotypes of the parents.

Answer 14

quantitative