Question 1

Most dogs bark but don't speak, and most humans speak but don't bark. This is best explained by

Accepted Answer

A)  species heredity. 
B)  meiosis. 
C)  individual heredity. 
D)  mitosis. 
A)  species heredity. 
B)  meiosis. 
C)  individual heredity. 
D)  mitosis.

Question 2

Trisomy 21 is another name for a common form of

Accepted Answer

A)  Down syndrome. 
B)  Duchenne's muscular dystrophy. 
C)  hemophilia. 
D)  Tay-Sachs disease. 
A)  Down syndrome. 
B)  Duchenne's muscular dystrophy. 
C)  hemophilia. 
D)  Tay-Sachs disease.

Question 3

Suppose identical twins raised apart have a correlation of .40 on a measure of some aspect of personality, and identical twins raised together have a correlation of .60 on this same measure. From these data, what can we logically conclude about this trait?

Accepted Answer

A)  Nonshared environment has an impact because, even raised together, the identical twins do not show a perfect 1.00 correlation. 
B)  Nonshared environment has no impact because the identical twins raised apart have a lower correlation than the identical twins raised together. 
C)  Shared environment has no impact because identical twins raised apart have a correlation lower than 1.00. 
D)  Shared environment has an impact because identical twins raised apart have a correlation of .40. 
A)  Nonshared environment has an impact because, even raised together, the identical twins do not show a perfect 1.00 correlation. 
B)  Nonshared environment has no impact because the identical twins raised apart have a lower correlation than the identical twins raised together. 
C)  Shared environment has no impact because identical twins raised apart have a correlation lower than 1.00. 
D)  Shared environment has an impact because identical twins raised apart have a correlation of .40.

Question 4

Which statement concerning fragile X syndrome is true?

Accepted Answer

A)  It is a non-sex-linked trait. 
B)  It occurs as the result of an extra X chromosome. 
C)  It involves a depletion in the number of duplications in the DNA code. 
D)  It is more common in males. 
A)  It is a non-sex-linked trait. 
B)  It occurs as the result of an extra X chromosome. 
C)  It involves a depletion in the number of duplications in the DNA code. 
D)  It is more common in males.

Question 5

At conception, the genetic material of the mother's ovum and the genetic material of the father's sperm unite, creating a new cell called a(n)

Accepted Answer

A)  embryo. 
B)  gamete. 
C)  juvenile cell. 
D)  zygote. 
A)  embryo. 
B)  gamete. 
C)  juvenile cell. 
D)  zygote.

Question 6

The heritability of IQ scores appears to increase between infancy and adulthood.

Accepted Answer

A) True 
 B)False

Question 7

Human chromosomes appear to contain about 25,000 _____.

Accepted Answer

The answer of Human chromosomes appear to contain about 25,000...

Question 8

The fact that parents provide their children with both their genes and an environment that is impacted by their own genetic make-up defines the gene-environment correlation of

Accepted Answer

A)  active genotype-environment. 
B)  evocative genotype-environment. 
C)  passive genotype-environment. 
D)  negative genotype-environment. 
A)  active genotype-environment. 
B)  evocative genotype-environment. 
C)  passive genotype-environment. 
D)  negative genotype-environment.

Question 9

When a dominant gene is paired with a recessive gene, the characteristic associated with the dominant gene will be

Accepted Answer

A)  repressed. 
B)  absent. 
C)  expressed. 
D)  dominated. 
A)  repressed. 
B)  absent. 
C)  expressed. 
D)  dominated.

Question 10

Heritability refers to

Accepted Answer

A)  how much of a trait is influenced by genetic factors for a specific individual. 
B)  the proportion of the differences in a trait among a group of people that is due to genetic differences among these people. 
C)  the percentage of pairs of people where, if one person in the pair has the trait in question, the other person in the pair also has the trait in question. 
D)  the degree to which one trait increases with increases in another trait. 
A)  how much of a trait is influenced by genetic factors for a specific individual. 
B)  the proportion of the differences in a trait among a group of people that is due to genetic differences among these people. 
C)  the percentage of pairs of people where, if one person in the pair has the trait in question, the other person in the pair also has the trait in question. 
D)  the degree to which one trait increases with increases in another trait.

Question 11

In cases of incomplete dominance, a dominant trait is expressed but its recessive counterpart is not expressed.

Accepted Answer

A) True 
 B)False

Question 12

Why do children growing up in the same home often turn out to be quite different from one another?

Accepted Answer

Children growing up in the same home oft

Question 13

It is estimated that about _____ percent of the human genome consists of what are traditionally defined as genes.

Accepted Answer

A)  3 
B)  33 
C)  63 
D)  93 
A)  3 
B)  33 
C)  63 
D)  93

Question 14

If a person needs one matching pair of genes in order to express a characteristic carried by a pair of genes, the characteristic is considered

Accepted Answer

A)  recessive. 
B)  dominant. 
C)  a mutation. 
D)  polygenic. 
A)  recessive. 
B)  dominant. 
C)  a mutation. 
D)  polygenic.

Question 15

Shared environmental influences are those common to members of a family.

Accepted Answer

A) True 
 B)False

Question 16

Describe and give an example of a recessive and a dominant gene. Then differentiate between incomplete dominance and codominance.

Accepted Answer

A recessive gene is a gene that is only

Question 17

If Marty has an XXY chromosome pattern, he would be accurately diagnosed with Klinefelter syndrome.

Accepted Answer

A) True 
 B)False

Question 18

The majority of the human genome consists of what was once thought to be "_____" DNA.

Accepted Answer

A)  protein-building 
B)  stem 
C)  junk 
D)  fragile 
A)  protein-building 
B)  stem 
C)  junk 
D)  fragile

Question 19

Genotype is most accurately described as

Accepted Answer

A)  your inherited genes. 
B)  a visual representation of chromosomes. 
C)  the manner in which genes are expressed. 
D)  incomplete dominance. 
A)  your inherited genes. 
B)  a visual representation of chromosomes. 
C)  the manner in which genes are expressed. 
D)  incomplete dominance.

Question 20

Which statement concerning Huntington's is true?

Accepted Answer

A)  It typically strikes in adolescence. 
B)  It disrupts the nervous system. 
C)  It is a sex-linked trait. 
D)  It is best classified as a chromosome abnormality. 
A)  It typically strikes in adolescence. 
B)  It disrupts the nervous system. 
C)  It is a sex-linked trait. 
D)  It is best classified as a chromosome abnormality.

Most dogs bark but don't speak, and most humans speak but don't bark. This is best explained by

Trisomy 21 is another name for a common form of

Suppose identical twins raised apart have a correlation of .40 on a measure of some aspect of personality, and identical twins raised together have a correlation of .60 on this same measure. From these data, what can we logically conclude about this trait?

Which statement concerning fragile X syndrome is true?

At conception, the genetic material of the mother's ovum and the genetic material of the father's sperm unite, creating a new cell called a(n)

The heritability of IQ scores appears to increase between infancy and adulthood.

Human chromosomes appear to contain about 25,000 _____.

The fact that parents provide their children with both their genes and an environment that is impacted by their own genetic make-up defines the gene-environment correlation of

When a dominant gene is paired with a recessive gene, the characteristic associated with the dominant gene will be

Heritability refers to

In cases of incomplete dominance, a dominant trait is expressed but its recessive counterpart is not expressed.

Why do children growing up in the same home often turn out to be quite different from one another?

It is estimated that about _____ percent of the human genome consists of what are traditionally defined as genes.

If a person needs one matching pair of genes in order to express a characteristic carried by a pair of genes, the characteristic is considered

Shared environmental influences are those common to members of a family.

Describe and give an example of a recessive and a dominant gene. Then differentiate between incomplete dominance and codominance.

If Marty has an XXY chromosome pattern, he would be accurately diagnosed with Klinefelter syndrome.

The majority of the human genome consists of what was once thought to be "_____" DNA.

Genotype is most accurately described as

Which statement concerning Huntington's is true?

Understanding Life-Span Human Development

Theories of Human Development

Prenatal Development and Birth

Body, Brain, Health

Sensation, Perception, and Action

Cognition

Memory and Information Processing

Intelligence and Creativity

Language and Education

Self and Personality

Gender Roles and Sexuality

Social Cognition and Moral Development

Emotions, Attachment, and Social Relationships

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Developmental Psychopathology

The Final Challenge: Death and Dying

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Exam 3: Genes, Environment, and Development

Most dogs bark but don't speak, and most humans speak but don't bark. This is best explained by

Trisomy 21 is another name for a common form of

Suppose identical twins raised apart have a correlation of .40 on a measure of some aspect of personality, and identical twins raised together have a correlation of .60 on this same measure. From these data, what can we logically conclude about this trait?

Which statement concerning fragile X syndrome is true?

At conception, the genetic material of the mother's ovum and the genetic material of the father's sperm unite, creating a new cell called a(n)

The heritability of IQ scores appears to increase between infancy and adulthood.

Human chromosomes appear to contain about 25,000 _____.

The fact that parents provide their children with both their genes and an environment that is impacted by their own genetic make-up defines the gene-environment correlation of

When a dominant gene is paired with a recessive gene, the characteristic associated with the dominant gene will be

Heritability refers to

In cases of incomplete dominance, a dominant trait is expressed but its recessive counterpart is not expressed.

Why do children growing up in the same home often turn out to be quite different from one another?

It is estimated that about _____ percent of the human genome consists of what are traditionally defined as genes.

If a person needs one matching pair of genes in order to express a characteristic carried by a pair of genes, the characteristic is considered

Shared environmental influences are those common to members of a family.

Describe and give an example of a recessive and a dominant gene. Then differentiate between incomplete dominance and codominance.

If Marty has an XXY chromosome pattern, he would be accurately diagnosed with Klinefelter syndrome.

The majority of the human genome consists of what was once thought to be "_____" DNA.

Genotype is most accurately described as

Which statement concerning Huntington's is true?

Understanding Life-Span Human Development

Theories of Human Development

Prenatal Development and Birth

Body, Brain, Health

Sensation, Perception, and Action

Cognition

Memory and Information Processing

Intelligence and Creativity

Language and Education

Self and Personality

Gender Roles and Sexuality

Social Cognition and Moral Development

Emotions, Attachment, and Social Relationships

The Family

Developmental Psychopathology

The Final Challenge: Death and Dying

Filters