Behavior Genetics (Module 14 and 15)

Question 1

Behavior Genetics

Answer 1

The study of genetic and environmental influences on behavior.

Question 2

Chromosome

Answer 2

Threadlike structure made of DNA molecules; 23 pairs (46 total) of chromosomes.

Question 3

DNA

Answer 3

Spiraling complex molecule containing genes.

Question 4

Gene

Answer 4

Segment of DNA - Determines individual biological development.

Question 5

Genome

Answer 5

An organism’s complete set of genetic information or instructions.

Question 6

Identical Twins

Answer 6

Develop from a single fertilized egg that splits in two

Shows the most similarity in personality.

Question 7

Fraternal Twins

Answer 7

Develop from separate eggs.

Question 8

Molecular Genetics

Answer 8

Studies the molecular structure and function of genes.

Question 9

Heritability

Answer 9

The proportion of variation among individuals that we can attribute to genes (%).

Question 10

Interaction

Answer 10

The interplay that occurs when the effect of one factor depends on another factor.

Question 11

Epigenetics

Answer 11

Studies the environmental influence on genes

Question 12

Mutation

Answer 12

A random error in gene replication that leads to a change.