Question 1

Genes establish a potential of expression, and environment determines where a person's phenotype will fall.This boundary of genetic influence is referred to as __________.

Accepted Answer

A)  environmental influence
B)  gene boundaries
C)  he inheritability estimate
D)  the reaction rangeE) C) and D)
F) A) and C)

Question 2

How would you create an individual who will definitely have blue eyes?

Accepted Answer

A)  Make sure they have one recessive gene for blue eyes and one dominant gene for brown eyes.
B)  Make sure they have one pair of recessive genes for blue eyes.
C)  Make sure they have a pair of alleles for eye color.
D)  Make sure they have one recessive gene for blue eyes and one dominant gene for green eyes.E) C) and D)
F) B) and D)

Question 3

What is the most common teratogen worldwide?

Accepted Answer

A)  tobacco
B)  alcohol
C)  malnutrition
D)  pollutionE) B) and D)
F) B) and C)

Question 4

DeCasper and Spence asked mothers to read The Cat in the Hat to their fetuses every day for the last six weeks of their pregnancies.After the birth, babies showed a preference for __________.

Accepted Answer

A)  hearing their mothers read any Dr.Seuss book
B)  their mothers' voices
C)  rhythmic tapping
D)  hearing their mothers read The Cat in the HatE) B) and D)
F) B) and C)

Question 5

__________ strengthen the vaginal muscles and helps prepare the mother for the delivery of the fetus.

Accepted Answer

A)  Bench presses
B)  Squats
C)  Kegels
D)  Abdominal crunchesE) A) and B)
F) A) and C)

Question 6

What are possible side effects for the baby of a woman who gains less than 20 pounds during her pregnancy?

Accepted Answer

A)  Down syndrome and Fragile X
B)  gestational diabetes
C)  high blood pressure and gastrointestinal problems
D)  being born preterm with a low birth weightE) B) and C)
F) A) and D)

Question 7

Prenatal health depends on proper prenatal nutrition.Because approximately 50% of the world's population is rural, pregnant women __________.

Accepted Answer

A)  have access to fruits and vegetables year round
B)  are malnourished year round
C)  cannot afford the required vitamins recommended by their physicians
D)  may only eat well only during the summer and fallE) B) and C)
F) A) and B)

Question 8

What is the oldest effective treatment for infertility?

Accepted Answer

A)  in vitro fertilization
B)  nutritional supplements
C)  surrogate motherhood
D)  intrauterine inseminationE) A) and D)
F) C) and D)

Question 9

Which statement is true regarding the use of donor insemination?

Accepted Answer

A)  It is often used in situations in which the female wants to select the traits of her offspring.
B)  It is often used by lesbian couples or single women wishing to have a child.
C)  It results in higher rates of male babies.
D)  It increases the chance of multiple births.E) A) and B)
F) None of the above

Question 10

What is the most common approach to female infertility if the woman cannot ovulate properly?

Accepted Answer

A)  eliminating nutritional deficiencies
B)  fertility drugs
C)  increasing the frequency of intercourse
D)  herbal therapyE) C) and D)
F) All of the above

Question 11

How many chromosomes from each pair are inherited from the mother?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) None of the above
F) A) and B)

Question 12

By the end of the third month, the typical fetus can be described as "three times three" because __________.

Accepted Answer

A)  it has been 3 months and the fetus weighs 3 ounces and is 3 inches long
B)  it weighs 3 pounds, is 3 inches long, and has 3 senses
C)  3 major systems have developed: brain, heart, and lungs
D)  all 3 facial features are clearly distinguishableE) B) and D)
F) A) and B)

Question 13

Which of the following exercises should be avoided during pregnancy?

Accepted Answer

A)  any contact sports
B)  walking
C)  light jogging
D)  swimmingE) A) and B)
F) A) and C)

Question 14

__________ increases the risk of having a child with Down syndrome.

Accepted Answer

A)  Smoking while pregnant
B)  Alcohol consumption
C)  Maternal age over age 40
D)  Paternal stressE) A) and B)
F) All of the above

Question 15

Down syndrome is also known as trisomy-21 because individuals with Down syndrome __________.

Accepted Answer

A)  have three distinct facial features by the 21st week of pregnancy
B)  show three distinct temperament patterns by the 21st week of infancy
C)  have an extra chromosome on the 21st pair
D)  have 21 genes on the 3rd pair of chromosomesE) None of the above
F) A) and B)

Question 16

While having a conversation with a friend who is pregnant, she says that because she is "carrying high" she will have a girl.Based on the textbook, which of the following statements are you thinking?

Accepted Answer

A)  There is no scientific evidence to support her belief, as "carrying high" is folklore.
B)  There are countless research studies that support her belief.
C)  Statistically speaking, she is correct.
D)  She is wrong; a pregnant woman who is "carrying high" is more likely to be carrying a boy.E) A) and B)
F) A) and D)

Question 17

Thomas's biological mother and father are both gifted athletes.He was adopted by a couple who had no interest in him being involved in sports.Although Thomas likely inherited athletic ability, it was never expressed in his __________.

Accepted Answer

A)  genotype
B)  phenotype
C)  genes
D)  allelesE) A) and C)
F) C) and D)

Question 18

Women undergoing fertility drug use realize a successful pregnancy rate of __________, depending on the drug used.

Accepted Answer

A)  10%-15%
B)  18%-23%
C)  22%-35%
D)  32%-47%E) A) and B)
F) A) and C)

Question 19

Iron-rich foods such as beef, duck, potatoes, spinach, and dried fruits are important for the pregnant mother and fetus because they help to __________.

Accepted Answer

A)  build the blood supply of the mother and fetus
B)  increase the muscle mass of the fetus
C)  assist in visual development of the fetus
D)  provide nutrients for proper brain developmentE) A) and B)
F) A) and C)

Question 20

Recall the World Health Organization's guidelines for prenatal care.Name one nutrient that is of critical importance during pregnancy, where women would get it, and what the consequences would be of not having it.

Accepted Answer

Iodine is of critical importance during ...

Exam 2: Genetics and Prenatal Development

What is the most common approach to female infertility if the woman cannot ovulate properly?

Correct AnswerverifiedShow Answer

Thomas's biological mother and father are both gifted athletes.He was adopted by a couple who had no interest in him being involved in sports.Although Thomas likely inherited athletic ability, it was never expressed in his __________.

Correct AnswerverifiedShow Answer

By the end of the third month, the typical fetus can be described as "three times three" because __________.

Correct AnswerverifiedShow Answer

What is the oldest effective treatment for infertility?

Correct AnswerverifiedShow Answer

What is the most common teratogen worldwide?

Correct AnswerverifiedShow Answer

Women undergoing fertility drug use realize a successful pregnancy rate of __________, depending on the drug used.

Correct AnswerverifiedShow Answer

Genes establish a potential of expression, and environment determines where a person's phenotype will fall.This boundary of genetic influence is referred to as __________.

Correct AnswerverifiedShow Answer

What are possible side effects for the baby of a woman who gains less than 20 pounds during her pregnancy?

Correct AnswerverifiedShow Answer

__________ strengthen the vaginal muscles and helps prepare the mother for the delivery of the fetus.

Correct AnswerverifiedShow Answer

Which of the following exercises should be avoided during pregnancy?

Correct AnswerverifiedShow Answer

Down syndrome is also known as trisomy-21 because individuals with Down syndrome __________.

Correct AnswerverifiedShow Answer

While having a conversation with a friend who is pregnant, she says that because she is "carrying high" she will have a girl.Based on the textbook, which of the following statements are you thinking?

Correct AnswerverifiedShow Answer

Iron-rich foods such as beef, duck, potatoes, spinach, and dried fruits are important for the pregnant mother and fetus because they help to __________.

Correct AnswerverifiedShow Answer

DeCasper and Spence asked mothers to read The Cat in the Hat to their fetuses every day for the last six weeks of their pregnancies.After the birth, babies showed a preference for __________.

Correct AnswerverifiedShow Answer

__________ increases the risk of having a child with Down syndrome.

Correct AnswerverifiedShow Answer

Recall the World Health Organization's guidelines for prenatal care.Name one nutrient that is of critical importance during pregnancy, where women would get it, and what the consequences would be of not having it.

Correct AnswerverifiedIodine is of critical importance during ...View AnswerShow Answer

Prenatal health depends on proper prenatal nutrition.Because approximately 50% of the world's population is rural, pregnant women __________.

Correct AnswerverifiedShow Answer

Which statement is true regarding the use of donor insemination?

Correct AnswerverifiedShow Answer

How would you create an individual who will definitely have blue eyes?

Correct AnswerverifiedShow Answer

How many chromosomes from each pair are inherited from the mother?

Correct AnswerverifiedShow Answer

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Iodine is of critical importance during ...
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