Question 1

Co-dominance occurs in

Accepted Answer

A)  blood type. 
B)  dominant genes. 
C)  recessive genes. 
D)  Down syndrome.

Question 2

______________halves the number of chromosomes in body cells.

Accepted Answer

A)  Mitosis 
B)  Meiosis 
C)  Osmosis 
D)  Autosomes

Question 3

Experience-dependent development is

Accepted Answer

A)  dependent on unique opportunities. 
B)  the same fundamental milestones for all children. 
C)  reaching predictable milestones. 
D)  dependent on culture.

Question 4

Why is the brain stem referred to as the "primitive brain"?

Accepted Answer

The answer of Why is the brain stem referred to...

Question 5

The average life expectancy of someone in the United States is about

Accepted Answer

A)  18. 
B)  35. 
C)  42. 
D)  78 This statistic is not mentioned in the text. Current CDC estimate is 78 years on average in the U.S.

Question 6

Which sex chromosome carries more genes?

Accepted Answer

A)  male 
B)  female 
C)  Both are the same. 
D)  No one knows for sure.

Question 7

Intelligence has a heritability estimate of

Accepted Answer

A)  0.1 
B)  0.05. 
C)  0.09. 
D)  0.5.

Question 8

The three main types of RNA are

Accepted Answer

A)  messenger, transfer, chromosomal. 
B)  messenger, transfer, ribosomal. 
C)  messenger, interstitial, chromosomal. 
D)  transfer, ribosomal, transcriber.

Question 9

According to epigenesis,

Accepted Answer

A)  children's genetic inheritance shapes their responsiveness to the environment. 
B)  heredity restricts behaviors to a few outcomes. 
C)  genetics causes people to seek experiences to actualize inborn traits. 
D)  development is bidirectional.

Question 10

Who has the highest probability of having a child with Down syndrome?

Accepted Answer

A)  15-year-old Jill 
B)  24-year-old Judy 
C)  35-year-old Sarah 
D)  43-year-old Betty

Question 11

The relationship between environment and heredity is

Accepted Answer

A)  one way. 
B)  bidirectional. 
C)  strongest for intelligence. 
D)  measured by heritability estimates.

Question 12

Neural communication must pass through a gap between neurons known as

Accepted Answer

A)  synapse. 
B)  the cleft. 
C)  myelin. 
D)  neurotransmitter.

Question 13

The geneotype -environmental correlation suggests that

Accepted Answer

A)  genes influence response to the environment. 
B)  genes and environment work to reinforce each other in their interactions . 
C)  the environments we are exposed to determine which genes are expressed in our phenotype. 
D)  heredity restricts the development of some behaviors to few outcomes.

Question 14

People only use about 10% of their brains.

Accepted Answer

A) True 
 B)False

Question 15

If the alleles from both parents are alike,their child will be

Accepted Answer

A)  monozygotic. 
B)  female. 
C)  homozygous. 
D)  heterozygous.

Question 16

The best way to get cell protein is to eat a lot of meat.

Accepted Answer

A) True 
 B)False

Question 17

How many states NOW require PKU testing?

Accepted Answer

A)  25 
B)  35 
C)  45 
D)  50

Question 18

Dizygotic twins

Accepted Answer

A)  are more alike than regular siblings. 
B)  are the most common multiple birth. 
C)  have the same genetic makeup. 
D)  result from a zygote that separates into two.

Question 19

A concordance rate is

Accepted Answer

A)  the probability of having a child of a certain sex. 
B)  a measure of chromosomal abnormalities. 
C)  a correlation. 
D)  a measure of the rate at which twins share a trait.

Question 20

Gametes are

Accepted Answer

A)  body cells. 
B)  sex cells. 
C)  skin cells. 
D)  brain cells.

Exam 2: Biological Foundations of Child Development

Co-dominance occurs in

______________halves the number of chromosomes in body cells.

Experience-dependent development is

Why is the brain stem referred to as the "primitive brain"?

The average life expectancy of someone in the United States is about

Which sex chromosome carries more genes?

Intelligence has a heritability estimate of

The three main types of RNA are

According to epigenesis,

Who has the highest probability of having a child with Down syndrome?

The relationship between environment and heredity is

Neural communication must pass through a gap between neurons known as

The geneotype -environmental correlation suggests that

People only use about 10% of their brains.

If the alleles from both parents are alike,their child will be

The best way to get cell protein is to eat a lot of meat.

How many states NOW require PKU testing?

Dizygotic twins

A concordance rate is

Gametes are