Question 1

Nonshared environmental variation refers to the idea that

Accepted Answer

A)  individuals do not necessarily experience the same environment the same way. 
B)  personality appears to be more variable than intelligence. 
C)  some traits only emerge under specific environmental conditions. 
D)  development proceeds in spurts and plateaus. 
A)  individuals do not necessarily experience the same environment the same way. 
B)  personality appears to be more variable than intelligence. 
C)  some traits only emerge under specific environmental conditions. 
D)  development proceeds in spurts and plateaus.

Question 2

On average, _____ of the genes of dizygotic twins are the same.

Accepted Answer

A)  25 % 
B)  50% 
C)  75% 
D)  100% 
A)  25 % 
B)  50% 
C)  75% 
D)  100%

Question 3

What do Tay-Sachs disease and sickle-cell anemia have in common?

Accepted Answer

A)  Both involve errors in metabolism. 
B)  Both diseases are carried by recessive genes. 
C)  Genes for both diseases can display incomplete dominance. 
D)  Individuals with either disease are not likely to know they have the disease until after they reach adulthood and have possibly passed the disease on to their children. 
A)  Both involve errors in metabolism. 
B)  Both diseases are carried by recessive genes. 
C)  Genes for both diseases can display incomplete dominance. 
D)  Individuals with either disease are not likely to know they have the disease until after they reach adulthood and have possibly passed the disease on to their children.

Question 4

If heredity alone is responsible for a disorder such as schizophrenia, one would expect that

Accepted Answer

A)  monozygotic twins should be 100% concordant for the trait. 
B)  children of schizophrenic mothers should have at least a 75% chance of being schizophrenic themselves. 
C)  monozygotic twins should be 50% concordant for the trait. 
D)  schizophrenia should be present at birth. 
A)  monozygotic twins should be 100% concordant for the trait. 
B)  children of schizophrenic mothers should have at least a 75% chance of being schizophrenic themselves. 
C)  monozygotic twins should be 50% concordant for the trait. 
D)  schizophrenia should be present at birth.

Question 5

Which of the following genetic diseases can be effectively treated by diet?

Accepted Answer

A)  PKU 
B)  sickle-cell anemia 
C)  Tay-Sachs disease 
D)  Huntington's disease 
A)  PKU 
B)  sickle-cell anemia 
C)  Tay-Sachs disease 
D)  Huntington's disease

Question 6

Each rung of a DNA molecule is called a(n)

Accepted Answer

A)  allele. 
B)  nucleotide. 
C)  gene. 
D)  chromosome. 
A)  allele. 
B)  nucleotide. 
C)  gene. 
D)  chromosome.

Question 7

Explain why genetic testing is so important and why so many parents are asking for this type of prenatal testing. Support your answer.

Accepted Answer

Genetic testing is important because it

Question 8

One's overall intelligence is a

Accepted Answer

A)  phenotype. 
B)  genotype. 
C)  allele. 
D)  double helix. 
A)  phenotype. 
B)  genotype. 
C)  allele. 
D)  double helix.

Question 9

Genotype refers to

Accepted Answer

A)  the observable expression of one's genetic makeup. 
B)  one's inherited genetic constitution. 
C)  the amount of genetic material shared with members of one's immediate family. 
D)  the number of chromosomes in the cell. 
A)  the observable expression of one's genetic makeup. 
B)  one's inherited genetic constitution. 
C)  the amount of genetic material shared with members of one's immediate family. 
D)  the number of chromosomes in the cell.

Question 10

How is it possible that monozygotic twins who are raised separately (therefore in different environments) are alike in many characteristics? Support your answer with scientific evidence.

Accepted Answer

Monozygotic twins, also known as identic

Question 11

In his studies of the processes of inheritance, Mendel mated purple-flowered and white-flowered pea plants. He discovered that the flowers of the offspring were:

Accepted Answer

A)  pale purple- or lavender-coloured. 
B)  purple. 
C)  white. 
D)  one-half purple and one-half white. 
A)  pale purple- or lavender-coloured. 
B)  purple. 
C)  white. 
D)  one-half purple and one-half white.

Question 12

Explain the rationale of family studies, twin studies, and adoption studies in teasing apart the effects of environment and genetics.

Accepted Answer

Family studies, twin studies, and adopti

Question 13

Huntington's disease and Tay-Sach's disease are similar in that

Accepted Answer

A)  both diseases are caused by a single gene. 
B)  victims of both diseases are not likely to survive childhood. 
C)  both diseases can be treated with a special diet. 
D)  both diseases are caused by a dominant gene. 
A)  both diseases are caused by a single gene. 
B)  victims of both diseases are not likely to survive childhood. 
C)  both diseases can be treated with a special diet. 
D)  both diseases are caused by a dominant gene.

Question 14

Which of the following genetic diseases is transmitted by a dominant autosomal gene?

Accepted Answer

A)  PKU 
B)  Sickle-cell anemia 
C)  Tay-Sachs disease 
D)  Huntington's disease 
A)  PKU 
B)  Sickle-cell anemia 
C)  Tay-Sachs disease 
D)  Huntington's disease

Question 15

The process by which germ cells duplicate is known as

Accepted Answer

A)  reduplication. 
B)  mitosis. 
C)  crossing over. 
D)  meiosis. 
A)  reduplication. 
B)  mitosis. 
C)  crossing over. 
D)  meiosis.

Question 16

Turner's syndrome, Klinefelter's syndrome, 47,XYY, and fragile X syndrome are

Accepted Answer

A)  disorders of the sex chromosome. 
B)  all associated with deficiencies in language. 
C)  more likely to display antisocial behaviour. 
D)  None of these alternatives are correct. 
A)  disorders of the sex chromosome. 
B)  all associated with deficiencies in language. 
C)  more likely to display antisocial behaviour. 
D)  None of these alternatives are correct.

Question 17

A __________ is a segment of DNA that codes for the production of proteins.

Accepted Answer

A)  gene 
B)  nucleotide 
C)  cystosine 
D)  chromosome 
A)  gene 
B)  nucleotide 
C)  cystosine 
D)  chromosome

Question 18

How have new findings in genetics qualified the assumptions and predictions of Mendelian laws of inheritance?

Accepted Answer

New findings in genetics have qualified

Question 19

The process by which genetic material is exchanged between chromosomes during meiosis is known as

Accepted Answer

A)  mutation. 
B)  duplication. 
C)  carrying. 
D)  crossing over. 
A)  mutation. 
B)  duplication. 
C)  carrying. 
D)  crossing over.

Question 20

Nonshared environment is Plomin's concept that can explain why

Accepted Answer

A)  identical twins are similar on most traits. 
B)  siblings, who share approximately 50% of their genes and grow up in the same household, are different from each other. 
C)  adopted children are similar to their biological parents. 
D)  children who share no genes in common but grow up in the same household are similar. 
A)  identical twins are similar on most traits. 
B)  siblings, who share approximately 50% of their genes and grow up in the same household, are different from each other. 
C)  adopted children are similar to their biological parents. 
D)  children who share no genes in common but grow up in the same household are similar.

Nonshared environmental variation refers to the idea that

On average, _____ of the genes of dizygotic twins are the same.

What do Tay-Sachs disease and sickle-cell anemia have in common?

If heredity alone is responsible for a disorder such as schizophrenia, one would expect that

Which of the following genetic diseases can be effectively treated by diet?

Each rung of a DNA molecule is called a(n)

Explain why genetic testing is so important and why so many parents are asking for this type of prenatal testing. Support your answer.

One's overall intelligence is a

Genotype refers to

How is it possible that monozygotic twins who are raised separately (therefore in different environments) are alike in many characteristics? Support your answer with scientific evidence.

In his studies of the processes of inheritance, Mendel mated purple-flowered and white-flowered pea plants. He discovered that the flowers of the offspring were:

Explain the rationale of family studies, twin studies, and adoption studies in teasing apart the effects of environment and genetics.

Huntington's disease and Tay-Sach's disease are similar in that

Which of the following genetic diseases is transmitted by a dominant autosomal gene?

The process by which germ cells duplicate is known as

Turner's syndrome, Klinefelter's syndrome, 47,XYY, and fragile X syndrome are

A __________ is a segment of DNA that codes for the production of proteins.

How have new findings in genetics qualified the assumptions and predictions of Mendelian laws of inheritance?

The process by which genetic material is exchanged between chromosomes during meiosis is known as

Nonshared environment is Plomin's concept that can explain why

Background and Theories

Research Methods

Prenatal Development

Physical Development: Birth, Motor Skills, and Growth

Neural and Brain Development

Language Development

Sensory and Perceptual Development

Cognitive Development: Piagetian and Vygotskian Approaches

Cognitive Development: The Information-Processing Approach

Intelligence and Schooling

Early Social and Emotional Development

Development of the Self

Moral Development

Families and Peers

Gender-Role Development and Sex Differences

Filters

Exam 3: Genetics: The Biological Context of Development

Nonshared environmental variation refers to the idea that

On average, _____ of the genes of dizygotic twins are the same.

What do Tay-Sachs disease and sickle-cell anemia have in common?

If heredity alone is responsible for a disorder such as schizophrenia, one would expect that

Which of the following genetic diseases can be effectively treated by diet?

Each rung of a DNA molecule is called a(n)

Explain why genetic testing is so important and why so many parents are asking for this type of prenatal testing. Support your answer.

One's overall intelligence is a

Genotype refers to

How is it possible that monozygotic twins who are raised separately (therefore in different environments) are alike in many characteristics? Support your answer with scientific evidence.

In his studies of the processes of inheritance, Mendel mated purple-flowered and white-flowered pea plants. He discovered that the flowers of the offspring were:

Explain the rationale of family studies, twin studies, and adoption studies in teasing apart the effects of environment and genetics.

Huntington's disease and Tay-Sach's disease are similar in that

Which of the following genetic diseases is transmitted by a dominant autosomal gene?

The process by which germ cells duplicate is known as

Turner's syndrome, Klinefelter's syndrome, 47,XYY, and fragile X syndrome are

A __________ is a segment of DNA that codes for the production of proteins.

How have new findings in genetics qualified the assumptions and predictions of Mendelian laws of inheritance?

The process by which genetic material is exchanged between chromosomes during meiosis is known as

Nonshared environment is Plomin's concept that can explain why

Background and Theories

Research Methods

Prenatal Development

Physical Development: Birth, Motor Skills, and Growth

Neural and Brain Development

Language Development

Sensory and Perceptual Development

Cognitive Development: Piagetian and Vygotskian Approaches

Cognitive Development: The Information-Processing Approach

Intelligence and Schooling

Early Social and Emotional Development

Development of the Self

Moral Development

Families and Peers

Gender-Role Development and Sex Differences

Filters