Question 1

The statement "adenine always pairs with thymine and guanine always pairs with cytosine" refers to the pairing of

Accepted Answer

A)  genes in the single pair of sex chromosomes. 
B)  nucleotide bases in a DNA molecule. 
C)  lipid bases in a DNA molecule. 
D)  phosphate bases in a DNA cell. 
A)  genes in the single pair of sex chromosomes. 
B)  nucleotide bases in a DNA molecule. 
C)  lipid bases in a DNA molecule. 
D)  phosphate bases in a DNA cell. B

Question 2

Dizygotic twinning occurs more often in Asian populations than in African populations.

Accepted Answer

A) True 
 B)False  False

Question 3

Which of the following sex chromosome abnormalities is due to an extra or missing chromosome?

Accepted Answer

A)  Klinefelter syndrome 
B)  XXY syndrome 
C)  Turner syndrome 
D)  all of the above 
A)  Klinefelter syndrome 
B)  XXY syndrome 
C)  Turner syndrome 
D)  all of the above D

Question 4

There are ________ pairs of chromosomes.

Accepted Answer

The answer of There are ________ pairs of chromosomes....

Question 5

Sperm and egg cells are formed during

Accepted Answer

A)  fertilization. 
B)  reproduction. 
C)  meiosis. 
D)  mitosis. 
A)  fertilization. 
B)  reproduction. 
C)  meiosis. 
D)  mitosis.

Question 6

Certain reproductive technologies have made it possible to do which of the following?

Accepted Answer

A)  determine the sexual orientation of fetuses 
B)  allow parents to select the sex of their children 
C)  select the healthiest embryos to carry to birth 
D)  select embryos for optimal height and weight 
A)  determine the sexual orientation of fetuses 
B)  allow parents to select the sex of their children 
C)  select the healthiest embryos to carry to birth 
D)  select embryos for optimal height and weight

Question 7

When one of two parents has a ______________ (e.g., Huntington's disease), there is at least a 50% chance that their offspring will inherit the disease.

Accepted Answer

A)  recessive disease allele 
B)  dominant disease allele 
C)  missing chromosome 
D)  cross-over 
A)  recessive disease allele 
B)  dominant disease allele 
C)  missing chromosome 
D)  cross-over

Question 8

Which of the following is the term for cell division that is also known as "copy division"?

Accepted Answer

A)  myelination 
B)  meiosis 
C)  mitosis 
D)  fertilization 
A)  myelination 
B)  meiosis 
C)  mitosis 
D)  fertilization

Question 9

________ is the tendency to select activities and environments that fit with our genetic predispositions.

Accepted Answer

A)  Canalization 
B)  Experiential canalization 
C)  Niche-picking 
D)  Probabilistic epigenesis 
A)  Canalization 
B)  Experiential canalization 
C)  Niche-picking 
D)  Probabilistic epigenesis

Question 10

When women take fertility drugs when they are having difficulty conceiving, most of the twins born while on these drugs are identical twins.

Accepted Answer

A) True 
 B)False

Question 11

An instrument that sends sound waves into the mother's abdomen to produce an image of the fetus is called

Accepted Answer

A)  ultrasonography. 
B)  amniocentesis. 
C)  positron emission tomography. 
D)  chorionic villus sampling. 
A)  ultrasonography. 
B)  amniocentesis. 
C)  positron emission tomography. 
D)  chorionic villus sampling.

Question 12

A karyotype is the genetic code a person inherits.

Accepted Answer

A) True 
 B)False

Question 13

The 23rd pair of chromosomes

Accepted Answer

A)  is the last pair. 
B)  determines whether the offspring will be male or female. 
C)  is called the sex chromosomes. 
D)  all of the above 
A)  is the last pair. 
B)  determines whether the offspring will be male or female. 
C)  is called the sex chromosomes. 
D)  all of the above

Question 14

The process of crossing-over

Accepted Answer

A)  increases the potential for healthy sperm to reach the site of fertilization. 
B)  ensures variability among the genetic codes of siblings. 
C)  ensures that characteristics will be transmitted from parents to offspring. 
D)  decreases the likelihood of mutations, chromosomal abnormalities, and birth defects. 
A)  increases the potential for healthy sperm to reach the site of fertilization. 
B)  ensures variability among the genetic codes of siblings. 
C)  ensures that characteristics will be transmitted from parents to offspring. 
D)  decreases the likelihood of mutations, chromosomal abnormalities, and birth defects.

Question 15

Toby was exposed to lead paint in his home when he was very young. If this exposure to a toxic chemical impacts his development, the impact would be due to ________ causes.

Accepted Answer

A)  genetic 
B)  environmental 
C)  canalization 
D)  niche-picking 
A)  genetic 
B)  environmental 
C)  canalization 
D)  niche-picking

Question 16

Which of the following is the BEST example of canalization?

Accepted Answer

A)  Jon and Jerry, MZ twins reared in highly different environments, have different temperaments as adults. 
B)  Terry and May, who both have brown eyes, are the biological parents of Jessica, who has brilliant blue eyes. 
C)  Regardless of when they are born, all human infants smile at exactly forty weeks after their conception. 
D)  Keith, an XYY male, is tall for his age, of average intelligence, and currently having behavioral problems in school. 
A)  Jon and Jerry, MZ twins reared in highly different environments, have different temperaments as adults. 
B)  Terry and May, who both have brown eyes, are the biological parents of Jessica, who has brilliant blue eyes. 
C)  Regardless of when they are born, all human infants smile at exactly forty weeks after their conception. 
D)  Keith, an XYY male, is tall for his age, of average intelligence, and currently having behavioral problems in school.

Question 17

Your son comes home from kindergarten talking about a very sick classmate who has "sticky blood that is funny-shaped." You wonder if this classmate might have

Accepted Answer

A)  cystic fibrosis. 
B)  Huntington's disease. 
C)  sickle cell disease. 
D)  trisomy X. 
A)  cystic fibrosis. 
B)  Huntington's disease. 
C)  sickle cell disease. 
D)  trisomy X.

Question 18

Turner syndrome results in all of the following characteristics EXCEPT

Accepted Answer

A)  individuals remain fertile. 
B)  short stature. 
C)  infertility. 
D)  motor skill deficits. 
A)  individuals remain fertile. 
B)  short stature. 
C)  infertility. 
D)  motor skill deficits.

Question 19

________ is the likelihood that specific environmental conditions will activate specific genes that lead to particular traits or behavioral outcomes.

Accepted Answer

A)  Canalization 
B)  Experiential canalization 
C)  Niche-picking 
D)  Probabilistic epigenesis 
A)  Canalization 
B)  Experiential canalization 
C)  Niche-picking 
D)  Probabilistic epigenesis

Question 20

Joseph was born with Down syndrome. The range of possible IQs that he is likely to develop is _____________ that of a typical child.

Accepted Answer

A)  smaller than 
B)  larger than 
C)  equal to 
D)  unknown compared to 
A)  smaller than 
B)  larger than 
C)  equal to 
D)  unknown compared to

The statement "adenine always pairs with thymine and guanine always pairs with cytosine" refers to the pairing of

Dizygotic twinning occurs more often in Asian populations than in African populations.

Which of the following sex chromosome abnormalities is due to an extra or missing chromosome?

There are ________ pairs of chromosomes.

Sperm and egg cells are formed during

Certain reproductive technologies have made it possible to do which of the following?

When one of two parents has a ______________ (e.g., Huntington's disease), there is at least a 50% chance that their offspring will inherit the disease.

Which of the following is the term for cell division that is also known as "copy division"?

________ is the tendency to select activities and environments that fit with our genetic predispositions.

When women take fertility drugs when they are having difficulty conceiving, most of the twins born while on these drugs are identical twins.

An instrument that sends sound waves into the mother's abdomen to produce an image of the fetus is called

A karyotype is the genetic code a person inherits.

The 23rd pair of chromosomes

The process of crossing-over

Toby was exposed to lead paint in his home when he was very young. If this exposure to a toxic chemical impacts his development, the impact would be due to ________ causes.

Which of the following is the BEST example of canalization?

Your son comes home from kindergarten talking about a very sick classmate who has "sticky blood that is funny-shaped." You wonder if this classmate might have

Turner syndrome results in all of the following characteristics EXCEPT

________ is the likelihood that specific environmental conditions will activate specific genes that lead to particular traits or behavioral outcomes.

Joseph was born with Down syndrome. The range of possible IQs that he is likely to develop is _____________ that of a typical child.

Exploring Child Development

Prenatal Development and Birth

Physical Development in Infants and Toddlers

Socioemotional Development in Infants and Toddlers

Physical Development in Early Childhood

Cognitive Development in Early Childhood

Socioemotional Development in Early Childhood

Physical Development in Middle Childhood

Cognitive Development in Middle Childhood

Socioemotional Development in Middle Childhood

Physical Development in Adolescence

Cognitive Development in Adolescence

Socioemotional Development in Adolescenc

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Exam 2: Heredity and the Environment

The statement "adenine always pairs with thymine and guanine always pairs with cytosine" refers to the pairing of

Dizygotic twinning occurs more often in Asian populations than in African populations.

Which of the following sex chromosome abnormalities is due to an extra or missing chromosome?

There are ________ pairs of chromosomes.

Sperm and egg cells are formed during

Certain reproductive technologies have made it possible to do which of the following?

When one of two parents has a ______________ (e.g., Huntington's disease), there is at least a 50% chance that their offspring will inherit the disease.

Which of the following is the term for cell division that is also known as "copy division"?

________ is the tendency to select activities and environments that fit with our genetic predispositions.

When women take fertility drugs when they are having difficulty conceiving, most of the twins born while on these drugs are identical twins.

An instrument that sends sound waves into the mother's abdomen to produce an image of the fetus is called

A karyotype is the genetic code a person inherits.

The 23rd pair of chromosomes

The process of crossing-over

Toby was exposed to lead paint in his home when he was very young. If this exposure to a toxic chemical impacts his development, the impact would be due to ________ causes.

Which of the following is the BEST example of canalization?

Your son comes home from kindergarten talking about a very sick classmate who has "sticky blood that is funny-shaped." You wonder if this classmate might have

Turner syndrome results in all of the following characteristics EXCEPT

________ is the likelihood that specific environmental conditions will activate specific genes that lead to particular traits or behavioral outcomes.

Joseph was born with Down syndrome. The range of possible IQs that he is likely to develop is _____________ that of a typical child.

Exploring Child Development

Prenatal Development and Birth

Physical Development in Infants and Toddlers

Socioemotional Development in Infants and Toddlers

Physical Development in Early Childhood

Cognitive Development in Early Childhood

Socioemotional Development in Early Childhood

Physical Development in Middle Childhood

Cognitive Development in Middle Childhood

Socioemotional Development in Middle Childhood

Physical Development in Adolescence

Cognitive Development in Adolescence

Socioemotional Development in Adolescenc

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