Question 1

Which statement best describes the sperm cell before meiosis?

Accepted Answer

A)  It contains 46 chromosomes. 
B)  It contains two X chromosomes. 
C)  It is significantly larger than the egg cell. 
D)  It is more likely to conceive a girl than a boy. 
A)  It contains 46 chromosomes. 
B)  It contains two X chromosomes. 
C)  It is significantly larger than the egg cell. 
D)  It is more likely to conceive a girl than a boy. A

Question 2

Which statement characterizes the relationship between pregnancy and rubella?

Accepted Answer

A)  If a woman is infected within the first 20 weeks of pregnancy, she is at lower risk than if she were infected later. 
B)  If a woman is infected within the first 20 weeks of pregnancy, the newborn may have birth defects. 
C)  Women who had rubella as children are at an increased risk of being infected during pregnancy. 
D)  Rubella during pregnancy is relatively harmless to the mother and child. 
A)  If a woman is infected within the first 20 weeks of pregnancy, she is at lower risk than if she were infected later. 
B)  If a woman is infected within the first 20 weeks of pregnancy, the newborn may have birth defects. 
C)  Women who had rubella as children are at an increased risk of being infected during pregnancy. 
D)  Rubella during pregnancy is relatively harmless to the mother and child. B

Question 3

When are Canadians screened for phenylketonuria?

Accepted Answer

A)  prior to birth 
B)  at birth 
C)  at the age of 6 months 
D)  upon entering kindergarten 
A)  prior to birth 
B)  at birth 
C)  at the age of 6 months 
D)  upon entering kindergarten B

Question 4

Briefly describe the difference(s) between "recessive" and "dominant" genes.

Accepted Answer

Some genes are "dominant" and others are

Question 5

Your friends are considering starting a family and one of them has Huntington disease. What can you tell the couple about the likelihood of giving birth to a child who also has Huntington disease?

Accepted Answer

A)  They have a 10% chance of giving birth to a child with Huntington disease. 
B)  They have a 50% chance of giving birth to a child with Huntington disease. 
C)  They have a 75% chance of giving birth to a child with Huntington disease. 
D)  They have a 100% chance of giving birth to a child with Huntington disease. 
A)  They have a 10% chance of giving birth to a child with Huntington disease. 
B)  They have a 50% chance of giving birth to a child with Huntington disease. 
C)  They have a 75% chance of giving birth to a child with Huntington disease. 
D)  They have a 100% chance of giving birth to a child with Huntington disease.

Question 6

You are a pregnant woman who has just consulted a genetic counsellor. You are concerned about Huntington disease and ask what progress is being made to address it. You are told that clinical trials into a "genetic miracle" are underway. What have trials revealed?

Accepted Answer

A)  a preventive medication that can be taken by pregnant women 
B)  an injection to the spine that appears to stop the progress of the disease 
C)  a cocktail of medications to be taken by infants to prevent the disease 
D)  an injection to the amniotic sac to cure the disease in babies 
A)  a preventive medication that can be taken by pregnant women 
B)  an injection to the spine that appears to stop the progress of the disease 
C)  a cocktail of medications to be taken by infants to prevent the disease 
D)  an injection to the amniotic sac to cure the disease in babies

Question 7

During the fetal period of prenatal development, the fetus responds to light and sounds.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is an essential attribute of Down syndrome?

Accepted Answer

A)  It is caused by a virus during pregnancy. 
B)  It is significantly more likely in boys than girls. 
C)  It is caused by a defect on the sex chromosomes. 
D)  It impacts cognitive and motor development but not one's potential for achievement. 
A)  It is caused by a virus during pregnancy. 
B)  It is significantly more likely in boys than girls. 
C)  It is caused by a defect on the sex chromosomes. 
D)  It impacts cognitive and motor development but not one's potential for achievement.

Question 9

The typical sex chromosome pattern for females is XY.

Accepted Answer

A) True 
 B)False

Question 10

Fetuses "take what they need" nutritionally from the mother and therefore mothers are free to eat what they want.

Accepted Answer

A) True 
 B)False

Question 11

A person who has a dominant trait for brown eyes and a recessive trait for blue eyes is most likely to be brown-eyed.

Accepted Answer

A) True 
 B)False

Question 12

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

Question 13

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 14

Why are sex-linked diseases more likely to affect sons of female carriers?

Accepted Answer

A)  These diseases are carried on dominant genes. 
B)  These diseases are carried on the Y chromosome. 
C)  Females are at a diminished risk because they could inherit a XYY profile. 
D)  Males have only one X chromosome, which they inherit from their mothers. 
A)  These diseases are carried on dominant genes. 
B)  These diseases are carried on the Y chromosome. 
C)  Females are at a diminished risk because they could inherit a XYY profile. 
D)  Males have only one X chromosome, which they inherit from their mothers.

Question 15

Two-week-old Isaiah, a child of Jewish heritage, is most at risk of having which disease?

Accepted Answer

A)  sickle-cell anemia 
B)  hemophilia 
C)  Huntington disease 
D)  Tay-Sachs disease 
A)  sickle-cell anemia 
B)  hemophilia 
C)  Huntington disease 
D)  Tay-Sachs disease

Question 16

Which statement best describes the effects of nutrition during pregnancy?

Accepted Answer

A)  Maternal malnutrition has been linked to low birth weight and cardiovascular disease. 
B)  The effects of fetal malnutrition cannot be overcome after birth. 
C)  Pregnant women can eat and drink whatever they want because their fetuses are not affected by what their mothers consume. 
D)  Fetal overnutrition is more of a problem than fetal malnutrition. 
A)  Maternal malnutrition has been linked to low birth weight and cardiovascular disease. 
B)  The effects of fetal malnutrition cannot be overcome after birth. 
C)  Pregnant women can eat and drink whatever they want because their fetuses are not affected by what their mothers consume. 
D)  Fetal overnutrition is more of a problem than fetal malnutrition.

Question 17

Infertility is always the woman's problem.

Accepted Answer

A) True 
 B)False

Question 18

What is the correct order of the three prenatal stages?

Accepted Answer

A)  embryonic, fetal, meiotic 
B)  meiotic, embryonic, fetal 
C)  germinal, fetal, embryonic 
D)  germinal, embryonic, fetal 
A)  embryonic, fetal, meiotic 
B)  meiotic, embryonic, fetal 
C)  germinal, fetal, embryonic 
D)  germinal, embryonic, fetal

Question 19

Which scenario results in conjoined twins?

Accepted Answer

A)  Two ova are produced and fertilized by joined sperm cells. 
B)  Two eggs fail to separate on the 13th day after conception. 
C)  Two different sperm fertilize the same egg. 
D)  Cell mutation takes place prior to the end of the first trimester. 
A)  Two ova are produced and fertilized by joined sperm cells. 
B)  Two eggs fail to separate on the 13th day after conception. 
C)  Two different sperm fertilize the same egg. 
D)  Cell mutation takes place prior to the end of the first trimester.

Question 20

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

Accepted Answer

A) True 
 B)False

Which statement best describes the sperm cell before meiosis?

Which statement characterizes the relationship between pregnancy and rubella?

When are Canadians screened for phenylketonuria?

Briefly describe the difference(s) between "recessive" and "dominant" genes.

Your friends are considering starting a family and one of them has Huntington disease. What can you tell the couple about the likelihood of giving birth to a child who also has Huntington disease?

You are a pregnant woman who has just consulted a genetic counsellor. You are concerned about Huntington disease and ask what progress is being made to address it. You are told that clinical trials into a "genetic miracle" are underway. What have trials revealed?

During the fetal period of prenatal development, the fetus responds to light and sounds.

Which of the following is an essential attribute of Down syndrome?

The typical sex chromosome pattern for females is XY.

Fetuses "take what they need" nutritionally from the mother and therefore mothers are free to eat what they want.

A person who has a dominant trait for brown eyes and a recessive trait for blue eyes is most likely to be brown-eyed.

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

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

Why are sex-linked diseases more likely to affect sons of female carriers?

Two-week-old Isaiah, a child of Jewish heritage, is most at risk of having which disease?

Which statement best describes the effects of nutrition during pregnancy?

Infertility is always the woman's problem.

What is the correct order of the three prenatal stages?

Which scenario results in conjoined twins?

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

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 Emotional Development

Late Adulthood: Social and Emotional Development

Lifes Final Chapter

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Exam 2: Heredity Prenatal Development

Which statement best describes the sperm cell before meiosis?

Which statement characterizes the relationship between pregnancy and rubella?

When are Canadians screened for phenylketonuria?

Briefly describe the difference(s) between "recessive" and "dominant" genes.

Your friends are considering starting a family and one of them has Huntington disease. What can you tell the couple about the likelihood of giving birth to a child who also has Huntington disease?

You are a pregnant woman who has just consulted a genetic counsellor. You are concerned about Huntington disease and ask what progress is being made to address it. You are told that clinical trials into a "genetic miracle" are underway. What have trials revealed?

During the fetal period of prenatal development, the fetus responds to light and sounds.

Which of the following is an essential attribute of Down syndrome?

The typical sex chromosome pattern for females is XY.

Fetuses "take what they need" nutritionally from the mother and therefore mothers are free to eat what they want.

A person who has a dominant trait for brown eyes and a recessive trait for blue eyes is most likely to be brown-eyed.

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

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

Why are sex-linked diseases more likely to affect sons of female carriers?

Two-week-old Isaiah, a child of Jewish heritage, is most at risk of having which disease?

Which statement best describes the effects of nutrition during pregnancy?

Infertility is always the woman's problem.

What is the correct order of the three prenatal stages?

Which scenario results in conjoined twins?

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

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 Emotional Development

Late Adulthood: Social and Emotional Development

Lifes Final Chapter

Filters