Question 1

Which of the following is true of Down syndrome?

Accepted Answer

A)   It primarily occurs in African American children.
B)   It occurs when genetic imprinting goes awry.
C)   Its symptoms include retardation of motor and mental abilities.
D)   It is caused by the presence of an extra copy of chromosome Y.E) A) and D)
F) A) and C)

Question 2

Melania has tested positive to a pregnancy test. She is very happy and visits her doctor to find out the sex of her unborn child so that she can hold a gender reveal party for her family. Her doctor tells her that it is too early to determine the sex of the child and that it can be determined only after ________ weeks.

Accepted Answer

A)   two
B)   four
C)   eight
D)   twelveE) C) and D)
F) B) and C)

Question 3

What is the complex molecule that has a double helix shape and contains genetic information?

Accepted Answer

DNA, DNA (deoxyribon...

Question 4

________ genes are those that make an individual more vulnerable to specific diseases or accelerated aging.

Accepted Answer

A)   Susceptibility
B)   Longevity
C)   Vulnerability
D)   MutatedE) A) and D)
F) None of the above

Question 5

What are some of the possible causes of infertility in women and men? Name two strategies that can be used to overcome infertility.

Accepted Answer

Lack of ovulation, producing abnormal ov...

Question 6

________ is a gene-linked abnormality in which the central nervous system deteriorates, producing problems in muscle coordination and mental deterioration.

Accepted Answer

A)   Cystic fibrosis
B)   Phenylketonuria
C)   Huntington's disease
D)   Tay-Sachs diseaseE) None of the above
F) B) and C)

Question 7

The lack of ________ in maternal nutrition has been associated with neural tube defects in offspring.

Accepted Answer

A)   vitamin C
B)   folic acid
C)   ferrous sulfate
D)   vitamin EE) A) and D)
F) None of the above

Question 8

Which of the following statements is true of the activity of genes?

Accepted Answer

A)   Genes are not collaborative.
B)   A single gene codes for a single, specific protein.
C)   Genetic expression is unaffected by environmental factors.
D)   Events that occur inside of the cell can excite or inhibit genetic expression.E) A) and C)
F) None of the above

Question 9

Rachel loves to read books, and she also encourages her daughter to read by regularly taking her to the local library and buying her lots of books. Rachel's daughter is now an avid reader. This reflects a(n)  ________ correlation.

Accepted Answer

A)   passive genotype-environment
B)   evocative genotype-environment
C)   influential genotype-environment
D)   active (niche-picking)  genotype-environmentE) A) and C)
F) C) and D)

Question 10

Harry is an autistic child and has a short attention span for any task. His intellectual abilities are much lower than other children his age. His pediatrician reveals that Harry has a genetic disorder due to an abnormality in his X chromosome, which has become constricted. Harry most likely suffers from

Accepted Answer

A)   Turner syndrome.
B)   Fragile X syndrome.
C)   XYY syndrome.
D)   Klinefelter syndrome.E) A) and B)
F) A) and C)

Question 11

Erin, a 90-year-old, is healthy and leads an active lifestyle. Most of her relatives have lived to an old age. Researchers have found that Erin's family carries genes related to stress resistance, immunity, and metabolism that help extend life by repairing and protecting body tissues. In this scenario, which of the following genes is most likely responsible for Erin living to an old age?

Accepted Answer

A)   susceptibility genes
B)   longevity genes
C)   complimentary genes
D)   mutated genesE) All of the above
F) C) and D)

Question 12

Which of the following statements is true of the effect of substance abuse by pregnant mothers?

Accepted Answer

A)   Infants whose mothers are addicted to heroin show several behavioral difficulties at birth, including withdrawal symptoms.
B)   Prenatal marijuana exposure is related to higher intelligence in children.
C)   Cocaine exposure during prenatal development is linked to low blood pressure of the child at nine years of age.
D)   Maternal smoking is linked to enhanced ovarian functioning in female offspring.E) None of the above
F) B) and D)

Question 13

Mariah has given birth to a baby girl. One month after delivery, she is still experiencing very strong feelings of sadness and anxiety. She is so morose that she is having trouble coping with daily tasks. Mariah is most likely suffering from

Accepted Answer

A)   posttraumatic stress disorder.
B)   postpartum blues.
C)   paranoid schizophrenia.
D)   postpartum depression.E) None of the above
F) B) and C)

Question 14

According to a recent study, which of the following observations was made about women who participated in the CenteringPregnancy program?

Accepted Answer

A)   More women felt secure without the aid of midwives.
B)   Many women reported feeling more stressed after a session.
C)   Women had higher breast-feeding rates.
D)   Low-income women benefited less from the program.E) C) and D)
F) A) and B)

Question 15

In the context of approaches to gene identification and discovery, ________, in which the goal is to discover the location of a gene (or genes)  in relation to a marker gene (whose position is already known) , is often used to search for disease-related genes.

Accepted Answer

A)   the Thousand Genomes Project
B)   genome-wide association
C)   linkage analysis
D)   next-generation sequencingE) None of the above
F) B) and C)

Question 16

________ is the interaction of a specific measured variation in the DNA and a specific measured aspect of the environment.

Accepted Answer

A)   Heredity-environment correlation
B)   Evocative genotype-environment correlation
C)   Gene × environment (G ×
D)   Passive genotype-environment interaction
E)   interactionF) C) and E)
G) A) and B)

Question 17

What is the rationale for the practice of waterbirth?

Accepted Answer

A)   Water pressure reduces the strain of contractions.
B)   It creates an environment similar to that inside the amniotic sac.
C)   Getting into water speeds up the labor process.
D)   Water makes the contractions more intense.E) A) and D)
F) A) and C)

Question 18

________ is the field that seeks to discover the influence of heredity and environment on individual differences in human traits and development.

Accepted Answer

A)   Behavior influence
B)   Behavior therapy
C)   Behavior genetics
D)   Behavior developmentE) A) and C)
F) B) and C)

Question 19

Which of the following is true of fragile X syndrome?

Accepted Answer

A)   It occurs more frequently in males than in females.
B)   It occurs only in females.
C)   It makes a female XO instead of XX.
D)   It results in XXY males.E) A) and D)
F) B) and C)

Question 20

During the process of ________, a cell's nucleus-including the chromosomes-duplicates itself and the cell divides, resulting in the formation of two cells.

Accepted Answer

A)   meiosis
B)   osmosis
C)   fertilization
D)   mitosisE) B) and C)
F) A) and D)

Exam 2: Biological Beginnings

Correct Answer
verified

Rachel loves to read books, and she also encourages her daughter to read by regularly taking her to the local library and buying her lots of books. Rachel's daughter is now an avid reader. This reflects a(n) ________ correlation.

Correct Answer
verified

________ genes are those that make an individual more vulnerable to specific diseases or accelerated aging.

Correct Answer
verified

________ is a gene-linked abnormality in which the central nervous system deteriorates, producing problems in muscle coordination and mental deterioration.

Correct Answer
verified

Which of the following is true of Down syndrome?

Correct Answer
verified

Which of the following statements is true of the effect of substance abuse by pregnant mothers?

Correct Answer
verified

What is the rationale for the practice of waterbirth?

Correct Answer
verified

Correct Answer
verified

Mariah has given birth to a baby girl. One month after delivery, she is still experiencing very strong feelings of sadness and anxiety. She is so morose that she is having trouble coping with daily tasks. Mariah is most likely suffering from

Correct Answer
verified

Which of the following statements is true of the activity of genes?

Correct Answer
verified

In the context of approaches to gene identification and discovery, ________, in which the goal is to discover the location of a gene (or genes) in relation to a marker gene (whose position is already known) , is often used to search for disease-related genes.

Correct Answer
verified

________ is the field that seeks to discover the influence of heredity and environment on individual differences in human traits and development.

Correct Answer
verified

________ is the interaction of a specific measured variation in the DNA and a specific measured aspect of the environment.

Correct Answer
verified

The lack of ________ in maternal nutrition has been associated with neural tube defects in offspring.

Correct Answer
verified

What is the complex molecule that has a double helix shape and contains genetic information?

Correct Answer
verified
DNA, DNA (deoxyribon...
View Answer

During the process of ________, a cell's nucleus-including the chromosomes-duplicates itself and the cell divides, resulting in the formation of two cells.

Correct Answer
verified

According to a recent study, which of the following observations was made about women who participated in the CenteringPregnancy program?

Correct Answer
verified

Correct Answer
verified

What are some of the possible causes of infertility in women and men? Name two strategies that can be used to overcome infertility.

Correct Answer
verified
Lack of ovulation, producing abnormal ov...
View Answer

Which of the following is true of fragile X syndrome?

Correct Answer
verified

Exam 2: Biological Beginnings

Correct AnswerverifiedShow Answer

Rachel loves to read books, and she also encourages her daughter to read by regularly taking her to the local library and buying her lots of books. Rachel's daughter is now an avid reader. This reflects a(n) ________ correlation.

Correct AnswerverifiedShow Answer

________ genes are those that make an individual more vulnerable to specific diseases or accelerated aging.

Correct AnswerverifiedShow Answer

________ is a gene-linked abnormality in which the central nervous system deteriorates, producing problems in muscle coordination and mental deterioration.

Correct AnswerverifiedShow Answer

Which of the following is true of Down syndrome?

Correct AnswerverifiedShow Answer

Which of the following statements is true of the effect of substance abuse by pregnant mothers?

Correct AnswerverifiedShow Answer

What is the rationale for the practice of waterbirth?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Mariah has given birth to a baby girl. One month after delivery, she is still experiencing very strong feelings of sadness and anxiety. She is so morose that she is having trouble coping with daily tasks. Mariah is most likely suffering from

Correct AnswerverifiedShow Answer

Which of the following statements is true of the activity of genes?

Correct AnswerverifiedShow Answer

In the context of approaches to gene identification and discovery, ________, in which the goal is to discover the location of a gene (or genes) in relation to a marker gene (whose position is already known) , is often used to search for disease-related genes.

Correct AnswerverifiedShow Answer

________ is the field that seeks to discover the influence of heredity and environment on individual differences in human traits and development.

Correct AnswerverifiedShow Answer

________ is the interaction of a specific measured variation in the DNA and a specific measured aspect of the environment.

Correct AnswerverifiedShow Answer

The lack of ________ in maternal nutrition has been associated with neural tube defects in offspring.

Correct AnswerverifiedShow Answer

What is the complex molecule that has a double helix shape and contains genetic information?

Correct AnswerverifiedDNA, DNA (deoxyribon...View AnswerShow Answer

During the process of ________, a cell's nucleus-including the chromosomes-duplicates itself and the cell divides, resulting in the formation of two cells.

Correct AnswerverifiedShow Answer

According to a recent study, which of the following observations was made about women who participated in the CenteringPregnancy program?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

What are some of the possible causes of infertility in women and men? Name two strategies that can be used to overcome infertility.

Correct AnswerverifiedLack of ovulation, producing abnormal ov...View AnswerShow Answer

Which of the following is true of fragile X syndrome?

Correct AnswerverifiedShow Answer

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verified
DNA, DNA (deoxyribon...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Lack of ovulation, producing abnormal ov...
View Answer

Correct Answer
verified