Question 1

The extra 21st chromosome that is found with Down syndrome usually comes from the father's sperm.

Accepted Answer

A) True 
 B)False

Question 2

If the allele for brown eyes is dominant and the allele for blue eyes is recessive,which genotype produces a person with blue eyes?

Accepted Answer

A) A blue-eyed person is homozygous with two alleles for brown eyes. 
B) A blue-eyed person is homozygous with two alleles for blue eyes. 
C) A blue-eyed person is heterozygous with one allele for blue eyes and one allele for brown eyes. 
D) The alleles for eye colour are demonstrating codominance. 
A) A blue-eyed person is homozygous with two alleles for brown eyes. 
B) A blue-eyed person is homozygous with two alleles for blue eyes. 
C) A blue-eyed person is heterozygous with one allele for blue eyes and one allele for brown eyes. 
D) The alleles for eye colour are demonstrating codominance.

Question 3

Tiny structures in the nucleus of a cell that contain genetic material are called

Accepted Answer

A) chromosomes. 
B) phenotypes. 
C) heterozygous. 
D) homozygous. 
A) chromosomes. 
B) phenotypes. 
C) heterozygous. 
D) homozygous.

Question 4

Each sperm and egg contains ________ chromosomes.

Accepted Answer

A) 23 
B) 26 
C) 46 
D) a variable number of 
A) 23 
B) 26 
C) 46 
D) a variable number of

Question 5

Phenylketonuria (PKU) provides a good example of

Accepted Answer

A) the interaction between genes and environment. 
B) a disorder caused by a dominant allele. 
C) a chromosomal abnormality caused by an extra chromosome. 
D) a disorder whose effects cannot be changed by the environment. 
A) the interaction between genes and environment. 
B) a disorder caused by a dominant allele. 
C) a chromosomal abnormality caused by an extra chromosome. 
D) a disorder whose effects cannot be changed by the environment.

The extra 21st chromosome that is found with Down syndrome usually comes from the father's sperm.

If the allele for brown eyes is dominant and the allele for blue eyes is recessive,which genotype produces a person with blue eyes?

Tiny structures in the nucleus of a cell that contain genetic material are called

Each sperm and egg contains ________ chromosomes.

Phenylketonuria (PKU) provides a good example of

The Science of Child Development

Prenatal Development, Birth, and the Newborn

Growth and Health

Perceptual and Motor Development

Theories of Cognitive Development

Cognitive Processes and Academic Skills

Intelligence and Individual Differences in Cognition

Language and Communication

Emotional Development

Understanding Self and Others

Moral Understanding and Behaviour

Gender and Development

Social Influences

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Exam 2: Genetic Bases of Child Development

The extra 21st chromosome that is found with Down syndrome usually comes from the father's sperm.

If the allele for brown eyes is dominant and the allele for blue eyes is recessive,which genotype produces a person with blue eyes?

Tiny structures in the nucleus of a cell that contain genetic material are called

Each sperm and egg contains ________ chromosomes.

Phenylketonuria (PKU) provides a good example of

The Science of Child Development

Prenatal Development, Birth, and the Newborn

Growth and Health

Perceptual and Motor Development

Theories of Cognitive Development

Cognitive Processes and Academic Skills

Intelligence and Individual Differences in Cognition

Language and Communication

Emotional Development

Understanding Self and Others

Moral Understanding and Behaviour

Gender and Development

Social Influences

Filters