Question 1

The most frequently stated cause for Down syndrome is

Accepted Answer

A) a recessive gene. 
B) seasonal fluctuations of hormones. 
C) exposure to X-rays and pesticides. 
D) an accident in chromosome distribution. 
A) a recessive gene. 
B) seasonal fluctuations of hormones. 
C) exposure to X-rays and pesticides. 
D) an accident in chromosome distribution.

Question 2

Latrice was born with an extra fold of skin at the corners of her eyes,a small head,protruding tongue,and mental retardation.She probably has

Accepted Answer

A) Turner's syndrome. 
B) Klinefelter's syndrome. 
C) Down syndrome. 
D) hemophilia. 
A) Turner's syndrome. 
B) Klinefelter's syndrome. 
C) Down syndrome. 
D) hemophilia.

Question 3

A factor that increases the probability of having a baby with Down syndrome is

Accepted Answer

A) increased age of mother or father. 
B) parents' use of tobacco. 
C) parents' use of alcohol. 
D) a defective XY chromosome pattern. 
A) increased age of mother or father. 
B) parents' use of tobacco. 
C) parents' use of alcohol. 
D) a defective XY chromosome pattern.

Question 4

If Laurie has albinism but neither of her parents exhibits this inherited condition,the trait must be __________ and Laurie's genotype for this trait is _________.

Accepted Answer

A) dominant;homozygous 
B) recessive;homozygous 
C) dominant;heterozygous 
D) recessive;heterozygous 
A) dominant;homozygous 
B) recessive;homozygous 
C) dominant;heterozygous 
D) recessive;heterozygous

Question 5

When tall homozygous pea plants are crossbred with homozygous short pea plants,the resulting hybrids are tall,but in the next generation,one out of four plants is short.This experiment demonstrates Mendel's law of

Accepted Answer

A) independent segregation. 
B) dominant inheritance. 
C) incomplete dominance. 
D) multifactorial inheritance. 
A) independent segregation. 
B) dominant inheritance. 
C) incomplete dominance. 
D) multifactorial inheritance.

Question 6

The genetic-environment correlation where children with different genetic composition evoke responses from adults that strengthen the child's genetic inclinations is called

Accepted Answer

A) passive correlations. 
B) reactive correlations. 
C) niche-picking. 
D) active correlations. 
A) passive correlations. 
B) reactive correlations. 
C) niche-picking. 
D) active correlations.

Question 7

Which of the following traits would be the LEAST highly canalized in most human beings?

Accepted Answer

A) Eye color 
B) Body type 
C) Motor development 
D) None of these 
A) Eye color 
B) Body type 
C) Motor development 
D) None of these

Question 8

Which of the following most clearly demonstrates the influence of environment?

Accepted Answer

A) Bill,who was adopted at birth,died at the same age as his biological father. 
B) Patty,who was adopted at the age of 2,walks like her adoptive mother. 
C) Matt and Jason,identical twins who were separated at birth,are both overweight. 
D) Marie and Amy are fraternal twins who were reared apart.Marie has high blood pressure and Amy does not. 
A) Bill,who was adopted at birth,died at the same age as his biological father. 
B) Patty,who was adopted at the age of 2,walks like her adoptive mother. 
C) Matt and Jason,identical twins who were separated at birth,are both overweight. 
D) Marie and Amy are fraternal twins who were reared apart.Marie has high blood pressure and Amy does not.

Question 9

The view by society that it is desirable to have only two children is an example of Bronfrenbrenner's

Accepted Answer

A) microsystem. 
B) macrosystem. 
C) exosystem. 
D) Any of the above depending upon the parent 
A) microsystem. 
B) macrosystem. 
C) exosystem. 
D) Any of the above depending upon the parent

Question 10

Traits that are affected by many genes are

Accepted Answer

A) only expressed through homozygous alleles. 
B) usually recessive for females. 
C) generally dominant in monozygotic twins. 
D) influenced through polygenic inheritance. 
A) only expressed through homozygous alleles. 
B) usually recessive for females. 
C) generally dominant in monozygotic twins. 
D) influenced through polygenic inheritance.

Question 11

Which of the following is TRUE of the process of meiosis?

Accepted Answer

A) Meiosis results in two cells,each with 46 chromosomes. 
B) It results in the number of chromosomes being reduced by half. 
C) The process adds an extra twenty-first chromosome. 
D) Meiosis is the process by which the egg and sperm combine. 
A) Meiosis results in two cells,each with 46 chromosomes. 
B) It results in the number of chromosomes being reduced by half. 
C) The process adds an extra twenty-first chromosome. 
D) Meiosis is the process by which the egg and sperm combine.

Question 12

A woman's "fertile window" is typically between the __________ of the menstrual cycle.

Accepted Answer

A) 6th and 21st days 
B) 14th and 15th days 
C) 25th and 28th days 
D) 1st and 2nd month 
A) 6th and 21st days 
B) 14th and 15th days 
C) 25th and 28th days 
D) 1st and 2nd month

Question 13

A researcher compares monozygotic and dizygotic twins for their level of similarity on a trait.This researcher is attempting to determine the __________ of the trait activity levels.

Accepted Answer

A) teratogenesis 
B) genotype 
C) karyotype 
D) heritability 
A) teratogenesis 
B) genotype 
C) karyotype 
D) heritability

Question 14

Epigenises is a process that shows that monozygotic twins tend to

Accepted Answer

A) become more alike as they get older. 
B) show more differences as they get older. 
C) show little impact from environmental factors as they age. 
D) demonstrate nearly total similarity throughout life regardless of the environment. 
A) become more alike as they get older. 
B) show more differences as they get older. 
C) show little impact from environmental factors as they age. 
D) demonstrate nearly total similarity throughout life regardless of the environment.

Question 15

In human development class,Tasha and Vladimir learned that it is the chromosomes of __________ that will determine the sex of the child they hope to have together.

Accepted Answer

A) the mother 
B) the father 
C) both parents 
D) chance 
A) the mother 
B) the father 
C) both parents 
D) chance

Question 16

The increased use of fertility drugs,along with delayed childbearing,has resulted in

Accepted Answer

A) an increase in multiple births. 
B) a decrease in multiple births. 
C) no change in multiple births. 
D) no relationship between these factors. 
A) an increase in multiple births. 
B) a decrease in multiple births. 
C) no change in multiple births. 
D) no relationship between these factors.

Question 17

Which of the following statements about prenatal developmental differences between the sexes is TRUE?

Accepted Answer

A) More males are conceived than females. 
B) Males develop more rapidly. 
C) Females are more likely to have birth defects. 
D) Female fetuses are more likely to be spontaneously aborted. 
A) More males are conceived than females. 
B) Males develop more rapidly. 
C) Females are more likely to have birth defects. 
D) Female fetuses are more likely to be spontaneously aborted.

Question 18

A person's observable characteristics are his or her

Accepted Answer

A) alleles. 
B) genetic imprint. 
C) phenotype. 
D) genotype. 
A) alleles. 
B) genetic imprint. 
C) phenotype. 
D) genotype.

Question 19

Which of the following would be considered the most highly canalized trait at birth?

Accepted Answer

A) Sequence of motor development 
B) Tendency toward early sexual activity 
C) Antisocial behavior 
D) Language development 
A) Sequence of motor development 
B) Tendency toward early sexual activity 
C) Antisocial behavior 
D) Language development

Question 20

Susan and Betty are monozygotic twins,while George and Brent are dizygotic twins.If a particular trait is determined primarily by hereditary factors,what would be the relative degree of concordance in these two twin pairs?

Accepted Answer

A) George and Brent would be more concordant than Susan and Betty. 
B) Susan and Betty would be more concordant than George and Brent. 
C) In similar environments,the two sets of twins would be equally concordant. 
D) It is not possible to determine concordance from studying twins. 
A) George and Brent would be more concordant than Susan and Betty. 
B) Susan and Betty would be more concordant than George and Brent. 
C) In similar environments,the two sets of twins would be equally concordant. 
D) It is not possible to determine concordance from studying twins.

The most frequently stated cause for Down syndrome is

Latrice was born with an extra fold of skin at the corners of her eyes,a small head,protruding tongue,and mental retardation.She probably has

A factor that increases the probability of having a baby with Down syndrome is

If Laurie has albinism but neither of her parents exhibits this inherited condition,the trait must be __ and Laurie's genotype for this trait is _.

When tall homozygous pea plants are crossbred with homozygous short pea plants,the resulting hybrids are tall,but in the next generation,one out of four plants is short.This experiment demonstrates Mendel's law of

The genetic-environment correlation where children with different genetic composition evoke responses from adults that strengthen the child's genetic inclinations is called

Which of the following traits would be the LEAST highly canalized in most human beings?

Which of the following most clearly demonstrates the influence of environment?

The view by society that it is desirable to have only two children is an example of Bronfrenbrenner's

Traits that are affected by many genes are

Which of the following is TRUE of the process of meiosis?

A woman's "fertile window" is typically between the __________ of the menstrual cycle.

A researcher compares monozygotic and dizygotic twins for their level of similarity on a trait.This researcher is attempting to determine the __________ of the trait activity levels.

Epigenises is a process that shows that monozygotic twins tend to

In human development class,Tasha and Vladimir learned that it is the chromosomes of __________ that will determine the sex of the child they hope to have together.

The increased use of fertility drugs,along with delayed childbearing,has resulted in

Which of the following statements about prenatal developmental differences between the sexes is TRUE?

A person's observable characteristics are his or her

Which of the following would be considered the most highly canalized trait at birth?

Susan and Betty are monozygotic twins,while George and Brent are dizygotic twins.If a particular trait is determined primarily by hereditary factors,what would be the relative degree of concordance in these two twin pairs?

The Study of Human Development

Theory and Research

Birth and Physical Development During the First Three Years

Cognitive Development During the First Three Years

Psychosocial Development During the First Three Years

Physical and Cognitive Development in Early Childhood

Psychosocial Development in Early Childhood

Physical and Cognitive Development in Middle Childhood

Psychosocial Development in Middle Childhood

Physical and Cognitive Development in Adolescence

Psychosocial Development in Adolescence

Physical and Cognitive Development in Emerging and Young Adulthood

Psychosocial Development in Emerging and Young Adulthood

Physical and Cognitive Development in Middle Adulthood

Psychosocial Development in Middle Adulthood

Physical and Cognitive Development in Late Adulthood

Psychosocial Development in Late Adulthood

Dealing With Death and Bereavement

Filters

Exam 3: Forming a New Life

The most frequently stated cause for Down syndrome is

Latrice was born with an extra fold of skin at the corners of her eyes,a small head,protruding tongue,and mental retardation.She probably has

A factor that increases the probability of having a baby with Down syndrome is

If Laurie has albinism but neither of her parents exhibits this inherited condition,the trait must be __________ and Laurie's genotype for this trait is _________.

When tall homozygous pea plants are crossbred with homozygous short pea plants,the resulting hybrids are tall,but in the next generation,one out of four plants is short.This experiment demonstrates Mendel's law of

The genetic-environment correlation where children with different genetic composition evoke responses from adults that strengthen the child's genetic inclinations is called

Which of the following traits would be the LEAST highly canalized in most human beings?

Which of the following most clearly demonstrates the influence of environment?

The view by society that it is desirable to have only two children is an example of Bronfrenbrenner's

Traits that are affected by many genes are

Which of the following is TRUE of the process of meiosis?

A woman's "fertile window" is typically between the __________ of the menstrual cycle.

A researcher compares monozygotic and dizygotic twins for their level of similarity on a trait.This researcher is attempting to determine the __________ of the trait activity levels.

Epigenises is a process that shows that monozygotic twins tend to

In human development class,Tasha and Vladimir learned that it is the chromosomes of __________ that will determine the sex of the child they hope to have together.

The increased use of fertility drugs,along with delayed childbearing,has resulted in

Which of the following statements about prenatal developmental differences between the sexes is TRUE?

A person's observable characteristics are his or her

Which of the following would be considered the most highly canalized trait at birth?

Susan and Betty are monozygotic twins,while George and Brent are dizygotic twins.If a particular trait is determined primarily by hereditary factors,what would be the relative degree of concordance in these two twin pairs?

The Study of Human Development

Theory and Research

Birth and Physical Development During the First Three Years

Cognitive Development During the First Three Years

Psychosocial Development During the First Three Years

Physical and Cognitive Development in Early Childhood

Psychosocial Development in Early Childhood

Physical and Cognitive Development in Middle Childhood

Psychosocial Development in Middle Childhood

Physical and Cognitive Development in Adolescence

Psychosocial Development in Adolescence

Physical and Cognitive Development in Emerging and Young Adulthood

Psychosocial Development in Emerging and Young Adulthood

Physical and Cognitive Development in Middle Adulthood

Psychosocial Development in Middle Adulthood

Physical and Cognitive Development in Late Adulthood

Psychosocial Development in Late Adulthood

Dealing With Death and Bereavement

Filters

If Laurie has albinism but neither of her parents exhibits this inherited condition,the trait must be __ and Laurie's genotype for this trait is _.