Question 1

A Canadian couple want to have a child as soon as possible.What are their chances of having difficulties conceiving?

Accepted Answer

A)  1 in 6 
B)  1 in 20 
C)  1 in 50 
D)  1 in 100 
A)  1 in 6 
B)  1 in 20 
C)  1 in 50 
D)  1 in 100

Question 2

Since fetuses take what they need from the mothers, few babies are born malnourished.

Accepted Answer

A) True 
 B)False

Question 3

Ultrasound uses harmless sound waves to examine the developing organism.

Accepted Answer

A) True 
 B)False

Question 4

Janet has Huntington disease and knows that approximately half of her children will also have Huntington disease.What will cause this disease to occur in her children?

Accepted Answer

A)  a blood disorder 
B)  a recessive trait 
C)  a dominant trait 
D)  a personality disorder 
A)  a blood disorder 
B)  a recessive trait 
C)  a dominant trait 
D)  a personality disorder

Question 5

What does research state regarding the effects of caffeine consumption during pregnancy?

Accepted Answer

A)  It is unethical to conduct this research; it is sexist in nature. 
B)  It is inconclusive in terms of caffeine's neurological effects. 
C)  Caffeine has the same effect as cocaine on the developing fetus. 
D)  Such research is limited because many women abstain from caffeine use while pregnant. 
A)  It is unethical to conduct this research; it is sexist in nature. 
B)  It is inconclusive in terms of caffeine's neurological effects. 
C)  Caffeine has the same effect as cocaine on the developing fetus. 
D)  Such research is limited because many women abstain from caffeine use while pregnant.

Question 6

You are 9 weeks pregnant and are concerned your baby may have a genetic defect.What medical procedure will most likely be recommended?

Accepted Answer

A)  fetoscopy 
B)  ultrasound 
C)  amniocentesis 
D)  chorionic villus sampling 
A)  fetoscopy 
B)  ultrasound 
C)  amniocentesis 
D)  chorionic villus sampling

Question 7

A person who inherits a gene for blonde hair and a gene for brown hair will have brown hair.What can we conclude about the gene for brown hair?

Accepted Answer

A)  It is more common. 
B)  It is recessive. 
C)  It is dominant. 
D)  It is monozygy. 
A)  It is more common. 
B)  It is recessive. 
C)  It is dominant. 
D)  It is monozygy.

Question 8

Which of the following is a defining characteristic of the sperm cell?

Accepted Answer

A)  It contains two Y chromosomes. 
B)  It is significantly larger than the egg cell. 
C)  It is one of the smallest types of cells in the body. 
D)  It does NOT determine the gender of the developing child. 
A)  It contains two Y chromosomes. 
B)  It is significantly larger than the egg cell. 
C)  It is one of the smallest types of cells in the body. 
D)  It does NOT determine the gender of the developing child.

Question 9

Your pregnant niece is scheduled for an amniocentesis, but she is confused by all the prenatal tests she has read about.Which of the following do you tell her about the process of amniocentesis?

Accepted Answer

A)  It has NOT been used as frequently as CVS because amniocentesis carries a slightly greater risk of spontaneous abortion. 
B)  It is carried out much earlier in a pregnancy than a CVS. 
C)  It involves a procedure that inserts a small syringe through the vagina. 
D)  It involves the examination of villi from the membrane that envelops the amniotic sac and fetus. 
A)  It has NOT been used as frequently as CVS because amniocentesis carries a slightly greater risk of spontaneous abortion. 
B)  It is carried out much earlier in a pregnancy than a CVS. 
C)  It involves a procedure that inserts a small syringe through the vagina. 
D)  It involves the examination of villi from the membrane that envelops the amniotic sac and fetus.

Question 10

What is the relationship between parents' age and successful childbearing?

Accepted Answer

A)  Parents' age is unrelated to childbearing success. 
B)  The optimal time for childbearing is during the teenage years. 
C)  An optimal time for childbearing may exist for both mothers and fathers. 
D)  Women in their 20s are at greater risk for miscarriage and inadequate prenatal care than teenaged and older mothers. 
A)  Parents' age is unrelated to childbearing success. 
B)  The optimal time for childbearing is during the teenage years. 
C)  An optimal time for childbearing may exist for both mothers and fathers. 
D)  Women in their 20s are at greater risk for miscarriage and inadequate prenatal care than teenaged and older mothers.

Question 11

What is a defining characteristic of a recessive gene?

Accepted Answer

A)  It is expressed when it is paired with another recessive gene. 
B)  It is expressed only when it is paired with a dominant gene. 
C)  It is expressed regardless of whether it is paired with a recessive or a dominant gene. 
D)  It is rarely passed on to offspring. 
A)  It is expressed when it is paired with another recessive gene. 
B)  It is expressed only when it is paired with a dominant gene. 
C)  It is expressed regardless of whether it is paired with a recessive or a dominant gene. 
D)  It is rarely passed on to offspring.

Question 12

What would you tell a woman who is worried about exposure to environmental hazards during her pregnancy?

Accepted Answer

A)  Environmental hazards include ultrasound and X-rays. 
B)  Environmental hazards include lead, mercury, PCBs, and radiation. 
C)  Environmental hazards lead to severe cognitive disabilities, but rarely physical deformations. 
D)  Environmental hazards are only a problem if the pregnant woman was exposed during the embryonic period of development. 
A)  Environmental hazards include ultrasound and X-rays. 
B)  Environmental hazards include lead, mercury, PCBs, and radiation. 
C)  Environmental hazards lead to severe cognitive disabilities, but rarely physical deformations. 
D)  Environmental hazards are only a problem if the pregnant woman was exposed during the embryonic period of development.

Question 13

Our phenotype is influenced by the environment.

Accepted Answer

A) True 
 B)False

Question 14

Which individual is most likely to have Tay-Sachs disease?

Accepted Answer

A)  a 4-year-old child of Jewish descent 
B)  a 5-year-old child of European descent 
C)  a 10-year-old child of African descent 
D)  a 20-year-old male of Spanish descent 
A)  a 4-year-old child of Jewish descent 
B)  a 5-year-old child of European descent 
C)  a 10-year-old child of African descent 
D)  a 20-year-old male of Spanish descent

Question 15

What can we conclude about a boy with two alleles for brown eyes?

Accepted Answer

A)  He has blue eyes. 
B)  He is referred to as "atypical." 
C)  He is homozygous for eye colour. 
D)  He has eye colour as a co-dominant trait. 
A)  He has blue eyes. 
B)  He is referred to as "atypical." 
C)  He is homozygous for eye colour. 
D)  He has eye colour as a co-dominant trait.

Question 16

What is the purpose of the alpha-fetoprotein assay?

Accepted Answer

A)  to detect neural tube defects 
B)  to measure enzyme levels in the fetus 
C)  to assess sex chromosome abnormalities 
D)  to assess the degree of mental retardation 
A)  to detect neural tube defects 
B)  to measure enzyme levels in the fetus 
C)  to assess sex chromosome abnormalities 
D)  to assess the degree of mental retardation

Question 17

In Canada what percentage of infertility cases can be traced to the man?

Accepted Answer

A)  10% 
B)  20% 
C)  30% 
D)  40% 
A)  10% 
B)  20% 
C)  30% 
D)  40%

Question 18

A first-time expectant mother is confused about what teratogens are and the risks they pose during her pregnancy.Which of the following would you tell her?

Accepted Answer

A)  They are only those substances the mother's body produces. 
B)  They harm the fetus only when taken in extremely large doses. 
C)  They are most damaging during the fetal period of development. 
D)  They are environmental agents that can harm the embryo or fetus. 
A)  They are only those substances the mother's body produces. 
B)  They harm the fetus only when taken in extremely large doses. 
C)  They are most damaging during the fetal period of development. 
D)  They are environmental agents that can harm the embryo or fetus.

Question 19

In what process is sperm injected into the uterus at the time of ovulation?

Accepted Answer

A)  IVF 
B)  artificial insemination 
C)  donor IVF 
D)  pergonal 
A)  IVF 
B)  artificial insemination 
C)  donor IVF 
D)  pergonal

Question 20

You are a pregnant woman who has just consulted a genetic counsellor.You asked about your risk for having a child with Huntington disease.What prevalence rate will the genetic counsellor suggest?

Accepted Answer

A)  1 in every 5,000 births 
B)  1 in every 10,000 births 
C)  1 in every 50,000 births 
D)  1 in every 75,000 births 
A)  1 in every 5,000 births 
B)  1 in every 10,000 births 
C)  1 in every 50,000 births 
D)  1 in every 75,000 births

A Canadian couple want to have a child as soon as possible.What are their chances of having difficulties conceiving?

Since fetuses take what they need from the mothers, few babies are born malnourished.

Ultrasound uses harmless sound waves to examine the developing organism.

Janet has Huntington disease and knows that approximately half of her children will also have Huntington disease.What will cause this disease to occur in her children?

What does research state regarding the effects of caffeine consumption during pregnancy?

You are 9 weeks pregnant and are concerned your baby may have a genetic defect.What medical procedure will most likely be recommended?

A person who inherits a gene for blonde hair and a gene for brown hair will have brown hair.What can we conclude about the gene for brown hair?

Which of the following is a defining characteristic of the sperm cell?

Your pregnant niece is scheduled for an amniocentesis, but she is confused by all the prenatal tests she has read about.Which of the following do you tell her about the process of amniocentesis?

What is the relationship between parents' age and successful childbearing?

What is a defining characteristic of a recessive gene?

What would you tell a woman who is worried about exposure to environmental hazards during her pregnancy?

Our phenotype is influenced by the environment.

Which individual is most likely to have Tay-Sachs disease?

What can we conclude about a boy with two alleles for brown eyes?

What is the purpose of the alpha-fetoprotein assay?

In Canada what percentage of infertility cases can be traced to the man?

A first-time expectant mother is confused about what teratogens are and the risks they pose during her pregnancy.Which of the following would you tell her?

In what process is sperm injected into the uterus at the time of ovulation?

You are a pregnant woman who has just consulted a genetic counsellor.You asked about your risk for having a child with Huntington disease.What prevalence rate will the genetic counsellor suggest?

History, Theories, and Methods

Birth and the Newborn Baby: in the New World

Infancy: Physical Development

Infancy: Cognitive Development

Infancy: Social and Emotional Development

Early Childhood: Physical and Cognitive Development

Early Childhood: Social and Emotional Development

Middle Childhood: Physical and Cognitive Development

Middle Childhood: Social and Emotional Development

Adolescence: Physical and Cognitive Development

Adolescence: Social and Emotional Development

Early Adulthood: Physical and Cognitive Development

Early Adulthood: Social and Emotional Development

Middle Adulthood: Physical and Cognitive Development

Middle Adulthood: Social and Emotional Development

Late Adulthood: Physical and Cognitive Development

Late Adulthood: Social and Emotional Development

Life's

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Exam 2: Heredity and Prenatal Development

A Canadian couple want to have a child as soon as possible.What are their chances of having difficulties conceiving?

Since fetuses take what they need from the mothers, few babies are born malnourished.

Ultrasound uses harmless sound waves to examine the developing organism.

Janet has Huntington disease and knows that approximately half of her children will also have Huntington disease.What will cause this disease to occur in her children?

What does research state regarding the effects of caffeine consumption during pregnancy?

You are 9 weeks pregnant and are concerned your baby may have a genetic defect.What medical procedure will most likely be recommended?

A person who inherits a gene for blonde hair and a gene for brown hair will have brown hair.What can we conclude about the gene for brown hair?

Which of the following is a defining characteristic of the sperm cell?

Your pregnant niece is scheduled for an amniocentesis, but she is confused by all the prenatal tests she has read about.Which of the following do you tell her about the process of amniocentesis?

What is the relationship between parents' age and successful childbearing?

What is a defining characteristic of a recessive gene?

What would you tell a woman who is worried about exposure to environmental hazards during her pregnancy?

Our phenotype is influenced by the environment.

Which individual is most likely to have Tay-Sachs disease?

What can we conclude about a boy with two alleles for brown eyes?

What is the purpose of the alpha-fetoprotein assay?

In Canada what percentage of infertility cases can be traced to the man?

A first-time expectant mother is confused about what teratogens are and the risks they pose during her pregnancy.Which of the following would you tell her?

In what process is sperm injected into the uterus at the time of ovulation?

You are a pregnant woman who has just consulted a genetic counsellor.You asked about your risk for having a child with Huntington disease.What prevalence rate will the genetic counsellor suggest?

History, Theories, and Methods

Birth and the Newborn Baby: in the New World

Infancy: Physical Development

Infancy: Cognitive Development

Infancy: Social and Emotional Development

Early Childhood: Physical and Cognitive Development

Early Childhood: Social and Emotional Development

Middle Childhood: Physical and Cognitive Development

Middle Childhood: Social and Emotional Development

Adolescence: Physical and Cognitive Development

Adolescence: Social and Emotional Development

Early Adulthood: Physical and Cognitive Development

Early Adulthood: Social and Emotional Development

Middle Adulthood: Physical and Cognitive Development

Middle Adulthood: Social and Emotional Development

Late Adulthood: Physical and Cognitive Development

Late Adulthood: Social and Emotional Development

Life's

Filters