Question 1

When her physician mentions the term "crowning," Erica, who is giving birth, should realize that means that her

Accepted Answer

A) cervix has just fully dilated. 
B) uterine contractions are about to start. 
C) baby's head has just reached the vaginal opening. 
D) placenta is about to be delivered.

Question 2

Prenatal development begins ​

Accepted Answer

A) with sperm production. 
B) with ovulation. 
C) at conception. 
D) at implantation into the uterus.

Question 3

While characterized as a progressive and fatal disorder, symptoms of Huntington's disease can be eliminated through a special diet. ​

Accepted Answer

A) True 
 B)False

Question 4

Following a prenatal exam, your physician remarks, "It appears as if your fetus has 47 chromosomes." What would be the most likely response to this information?

Accepted Answer

A) Concern, as this may indicate that your child has Down syndrome 
B) Concern, as this may indicate that your child has sickle-cell anemia 
C) Concern, as this may indicate that your child has phenylketonuria (PKU) 
D) Relief, since this is a normal number of chromosomes

Question 5

You are currently experiencing severe pain in your leg and go to your physician for a checkup. During the examination, your physician says, "The pain you are experiencing appears to be due to misshapen blood cells that are blocking the flow of oxygen to your leg." This would indicate that the most accurate diagnosis of your condition would be

Accepted Answer

A) cerebral palsy. 
B) Huntington's disease. 
C) sickle-cell disease. 
D) hemophilia.

Question 6

A new genetic disorder called "Blumberg's disease" is found to involve heterozygous alleles, is recessive, and is characterized by incomplete dominance. Discuss the implications of this description concerning the inheritance of this disorder. ​

Accepted Answer

The answer of A new genetic disorder called "Blumberg's disease"...

Question 7

A knowledgeable nutritionist would tell a pregnant mother that in order to reduce the risk of having a baby born with spina bifida, mom needs to make sure that she is ingesting an adequate amount of

Accepted Answer

A) vitamin A. 
B) iron. 
C) vitamin E. 
D) folic acid.

Question 8

Janaka's two-year-old daughter is mentally retarded due, in part, to a diet that included fish, bread, and dairy products. The most likely diagnosis for Janaka's daughter is that she has ​

Accepted Answer

A) Turner's syndrome. 
B) Huntington's disease. 
C) Tay Sachs disease. 
D) Phenylketonuria (PKU).

Question 9

Mia and her doctor need to know as quickly as possible (hopefully within 24 hours)whether the child she has been carrying for only nine weeks possesses any genetic abnormalities. Which technique is Mia's doctor most likely to employ?

Accepted Answer

A) Chorionic villus sampling 
B) Ultrasound 
C) Amniocentesis 
D) Genetic counseling

Question 10

Which statement is true? ​

Accepted Answer

A) Environmental influences within a family typically make children within a family different 
B) Genes cannot influence the kind of environment to which a person is exposed 
C) Behavioral consequences of genetic instructions are independent from environmental factors 
D) The impact of environment on heredity wanes with age

Question 11

Beth is 12 weeks pregnant and concerned that her fetus may have a genetic disorder. Describe two techniques that a physician could use to determine whether Beth's concerns are warranted. Also discuss how fetal medicine could be used to deal with a disorder if one is identified.

Accepted Answer

The answer of Beth is 12 weeks pregnant and concerned...

Question 12

The uniting of the egg and sperm (conception)typically takes place in the

Accepted Answer

A) uterus. 
B) testes. 
C) fallopian tube. 
D) ovary.

Question 13

If a person had a dominant allele for blonde hair and a recessive allele for red hair, the probability of that person having red hair would be closest to ____ percent. ​

Accepted Answer

A) ​0 
B) ​25 
C) ​50 
D) ​100

Question 14

Which statement concerning in vitro fertilization is false ?

Accepted Answer

A) The odds of having twins or triplets may increase. 
B) About 90 percent of in vitro fertilization attempts are successful. 
C) The procedure is not typically covered by insurance. 
D) There is an increased risk of birth defects in infants conceived using the procedure.

Question 15

Maternal stress is most likely to negatively impact a developing embryo/fetus when that stress is ​

Accepted Answer

A) intermittent and extreme. 
B) intermittent and moderate. 
C) chronic and extreme. 
D) chronic and moderate.

Question 16

In vitro fertilization takes place in a test tube.

Accepted Answer

A) True 
 B)False

Question 17

Common symptoms of fetal alcohol syndrome include facial deformities, deafness, and intellectual disability (formally known as mental retardation).

Accepted Answer

A) True 
 B)False

Question 18

The average child has approximately ____ genes.

Accepted Answer

A) ​25 
B) ​25,000 
C) ​25,000,000 
D) ​25,000,000,000

Question 19

Jen is 20 years old, pregnant, and eats well, but she is under a lot of stress. Her friend Angelina, who is also pregnant, is 42 years old and has a very poor diet, but is under little stress. What prediction could you make concerning the postbirth health of each of these women's babies? ​

Accepted Answer

The answer of Jen is 20 years old, pregnant, and...

Question 20

What is an example of only your genotype?

Accepted Answer

A) Your complete set of genes 
B) Your physical appearance 
C) Your behaviors 
D) Your personality

Exam 2: Biological Foundations: Heredity, Prenatal Development, and Birth

When her physician mentions the term "crowning," Erica, who is giving birth, should realize that means that her

Prenatal development begins

While characterized as a progressive and fatal disorder, symptoms of Huntington's disease can be eliminated through a special diet.

Following a prenatal exam, your physician remarks, "It appears as if your fetus has 47 chromosomes." What would be the most likely response to this information?

A new genetic disorder called "Blumberg's disease" is found to involve heterozygous alleles, is recessive, and is characterized by incomplete dominance. Discuss the implications of this description concerning the inheritance of this disorder.

A knowledgeable nutritionist would tell a pregnant mother that in order to reduce the risk of having a baby born with spina bifida, mom needs to make sure that she is ingesting an adequate amount of

Janaka's two-year-old daughter is mentally retarded due, in part, to a diet that included fish, bread, and dairy products. The most likely diagnosis for Janaka's daughter is that she has

Mia and her doctor need to know as quickly as possible (hopefully within 24 hours) whether the child she has been carrying for only nine weeks possesses any genetic abnormalities. Which technique is Mia's doctor most likely to employ?

Which statement is true?

Beth is 12 weeks pregnant and concerned that her fetus may have a genetic disorder. Describe two techniques that a physician could use to determine whether Beth's concerns are warranted. Also discuss how fetal medicine could be used to deal with a disorder if one is identified.

The uniting of the egg and sperm (conception) typically takes place in the

If a person had a dominant allele for blonde hair and a recessive allele for red hair, the probability of that person having red hair would be closest to ____ percent.

Which statement concerning in vitro fertilization is false ?

Maternal stress is most likely to negatively impact a developing embryo/fetus when that stress is

In vitro fertilization takes place in a test tube.

Common symptoms of fetal alcohol syndrome include facial deformities, deafness, and intellectual disability (formally known as mental retardation).

The average child has approximately ____ genes.

Jen is 20 years old, pregnant, and eats well, but she is under a lot of stress. Her friend Angelina, who is also pregnant, is 42 years old and has a very poor diet, but is under little stress. What prediction could you make concerning the postbirth health of each of these women's babies?

What is an example of only your genotype?

Exam 2: Biological Foundations: Heredity, Prenatal Development, and Birth

When her physician mentions the term "crowning," Erica, who is giving birth, should realize that means that her

Prenatal development begins ​

While characterized as a progressive and fatal disorder, symptoms of Huntington's disease can be eliminated through a special diet. ​

Following a prenatal exam, your physician remarks, "It appears as if your fetus has 47 chromosomes." What would be the most likely response to this information?

A new genetic disorder called "Blumberg's disease" is found to involve heterozygous alleles, is recessive, and is characterized by incomplete dominance. Discuss the implications of this description concerning the inheritance of this disorder. ​

A knowledgeable nutritionist would tell a pregnant mother that in order to reduce the risk of having a baby born with spina bifida, mom needs to make sure that she is ingesting an adequate amount of

Janaka's two-year-old daughter is mentally retarded due, in part, to a diet that included fish, bread, and dairy products. The most likely diagnosis for Janaka's daughter is that she has ​

Mia and her doctor need to know as quickly as possible (hopefully within 24 hours) whether the child she has been carrying for only nine weeks possesses any genetic abnormalities. Which technique is Mia's doctor most likely to employ?

Which statement is true? ​

Beth is 12 weeks pregnant and concerned that her fetus may have a genetic disorder. Describe two techniques that a physician could use to determine whether Beth's concerns are warranted. Also discuss how fetal medicine could be used to deal with a disorder if one is identified.

The uniting of the egg and sperm (conception) typically takes place in the

If a person had a dominant allele for blonde hair and a recessive allele for red hair, the probability of that person having red hair would be closest to ____ percent. ​

Which statement concerning in vitro fertilization is false ?

Maternal stress is most likely to negatively impact a developing embryo/fetus when that stress is ​

In vitro fertilization takes place in a test tube.

Common symptoms of fetal alcohol syndrome include facial deformities, deafness, and intellectual disability (formally known as mental retardation).

The average child has approximately ____ genes.

Jen is 20 years old, pregnant, and eats well, but she is under a lot of stress. Her friend Angelina, who is also pregnant, is 42 years old and has a very poor diet, but is under little stress. What prediction could you make concerning the postbirth health of each of these women's babies? ​

What is an example of only your genotype?

Prenatal development begins

While characterized as a progressive and fatal disorder, symptoms of Huntington's disease can be eliminated through a special diet.

A new genetic disorder called "Blumberg's disease" is found to involve heterozygous alleles, is recessive, and is characterized by incomplete dominance. Discuss the implications of this description concerning the inheritance of this disorder.

Janaka's two-year-old daughter is mentally retarded due, in part, to a diet that included fish, bread, and dairy products. The most likely diagnosis for Janaka's daughter is that she has

Which statement is true?

If a person had a dominant allele for blonde hair and a recessive allele for red hair, the probability of that person having red hair would be closest to ____ percent.

Maternal stress is most likely to negatively impact a developing embryo/fetus when that stress is

Jen is 20 years old, pregnant, and eats well, but she is under a lot of stress. Her friend Angelina, who is also pregnant, is 42 years old and has a very poor diet, but is under little stress. What prediction could you make concerning the postbirth health of each of these women's babies?