3C1

Question 1

Environment

Answer 1

Every nongenetic influence from prenatal nutrition to the people and things around us

Question 2

Chromosomes

Answer 2

Threadlike structured made of DNA molecules that contain the genes

Question 3

DNA

Answer 3

A complex molecule containing the genetic information that makes up the chromosomes

Question 4

Genes

Answer 4

The biochemical units of hereditary that make up the chromosomes; segments of DNA capable of synthesizing a protein

Question 5

Genome

Answer 5

The complete instructions for making an organism, consisting of all the genetic material in that organism’s chromosomes

Question 6

A small difference in DNA…

Answer 6

Goes a long way

Question 7

Our genetic traits help explain….

Answer 7

Our shared human nature and our human diversity

Question 8

Identical twins

Answer 8

Twins who develop from a single fertilized egg that spits into two, creating two genetically identical organisms

Question 9

Twins share the same genes….

Answer 9

But don’t have the same number of copies

Question 10

One twin’s placenta may…..

Answer 10

supply better nourishment than the other

Question 11

Fraternal twins

Answer 11

Twins who develop from separate fertilized eggs. They are genetically no closer that brothers and sisters, but the share a fetal environment

Question 12

Identical twins are more similar…

Answer 12

Than fraternal twins in outgoingness and emotional instability

Question 13

Separated twins live…

Answer 13

Identical lifestyles

Question 14

Virtual twins

Answer 14

Same age, biologically unrelated siblings

Question 15

Genetic relatives

Answer 15

Biological parents and siblings

Question 16

Adoptees are more like their….

Answer 16

Biological parents than their adopted ones

Question 17

Heritability

Answer 17

The proportion of variation amount individuals that we can attribute to genes. The heritability of a trait may vary, depending in the range of populations and environments studied

Question 18

If everything is equal and healthy…

Answer 18

Then heritability would increase

Question 19

If all people had similar heredities. But were raised in different environments…

Answer 19

Heredity would be lower

Question 20

Putting people in new social context….

Answer 20

Can change aggressiveness

Question 21

Genes and environment- nature and nurture-

Answer 21

Work together like two hands clapping

Question 22

Genes are

Answer 22

Self regulating

Question 23

Interact

Answer 23

The interplay that occurs when the effect of one factor (such as environment) depends on another factor (such as heredity)

Question 24

Environments trigger…

Answer 24

Gene activity

Question 25

Nature…

Answer 25

Via nurture

Question 26

Molecular genetics

Answer 26

The subfield of biology that studies the molecular structure and function of genes

Question 27

Molecular behavior genetics

Answer 27

To find some of the many genes that influence normal human traits such as body weight, sexual orientation, and Extraversion, and also to explore the mechanisms that control gene expression

Question 28

Genetic tests can now reveal…

Answer 28

At risk populations for many diseases

Question 29

Behavior genetics

Answer 29

The study of the relative power and limits of genetic and environmental influences on behavior