Question 1

Parents often interact differently with each sibling,and siblings interact differently with parents.Even these experiences occurring within the family can be part of the _____ of siblings.

Accepted Answer

A)  shared environment
B)  nonshared environment
C)  shared genes
D)  nonshared genesE) None of the above
F) C) and D)

Question 2

Melody and Harmony are identical twins.This means that they developed from:

Accepted Answer

A)  a single egg that was fertilized by a single sperm.
B)  a single egg that was fertilized by two different sperms.
C)  two eggs that were fertilized by a single sperm.
D)  two eggs that were fertilized by two different sperms.E) B) and C)
F) A) and B)

Question 3

List four sex-linked chromosomal abnormalities.

Accepted Answer

Klinefelter syndrome,fragile X...

Question 4

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

Accepted Answer

Lack of ovulation,producing abnormal ova...

Question 5

David and Kelly are seeking help for infertility.Under their physician's guidance,they decide to undergo a procedure in which Kelly's eggs are combined in a laboratory dish with her husband's sperms.What is this procedure called?

Accepted Answer

A)  Gamete transfer
B)  Intracytoplasmic sperm injection
C)  Zygote intrafallopian transfer
D)  In vitro fertilizationE) A) and B)
F) None of the above

Question 6

Which of the following statements regarding chorionic villus sampling (CVS) and amniocentesis is true?

Accepted Answer

A)  Both CVS and amniocentesis provide valuable information about the presence of birth defects.
B)  Both CVS and amniocentesis increase the risk of miscarriage.
C)  Both CVS and amniocentesis increase the risk of limb deformities in the fetus.
D)  Amniocentesis allows a decision on abortion to be made sooner than chorionic villus sampling.E) All of the above
F) A) and B)

Question 7

_____ develop from a single zygote that splits into two genetically matching replicas,each of which becomes a person.

Accepted Answer

A)  Triplets
B)  Identical twins
C)  Fraternal twins
D)  QuadrupletsE) All of the above
F) C) and D)

Question 8

_____ 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 × 
E)  interaction
D)  Passive genotype-environment interactionE) All of the above
F) B) and D)

Question 9

What are the three ways that heredity and environment are correlated as described by behavior geneticist Sandra Scarr.

Accepted Answer

Behavior geneticist Sandra Scarr describ...

Question 10

During the process of _____,the 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) A) and B)
F) All of the above

Question 11

Identify a risk related to the use of chorionic villus sampling (CVS) as a prenatal diagnostic test.

Accepted Answer

A)  Limb deformity
B)  Spina bifida
C)  Down syndrome
D)  Mental retardationE) None of the above
F) A) and B)

Question 12

What are some problems adopted children face at different points of development (infancy,early childhood,middle and late childhood,and adolescence)?

Accepted Answer

During infancy children might struggle w...

Question 13

Xiomarra is tall with dark curly hair and brown eyes.She is outgoing and friendly.Name these observable characteristics of her genetic makeup.

Accepted Answer

The answer of Xiomarra is tall with dark curly hair...

Question 14

_____ genes are those that make the individual more vulnerable to specific diseases or acceleration of aging.

Accepted Answer

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

Question 15

Which of the following statements about the activity of genes is TRUE?

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) B) and C)
F) None of the above

Question 16

During fertilization,an egg and a sperm fuse to create a single cell called a _____.

Accepted Answer

A)  blastocyst
B)  fetus
C)  gamete
D)  zygoteE) A) and D)
F) B) and D)

Question 17

Gwendolyn is having a prenatal test where her doctor uses high-frequency sound waves directed into her abdomen to check her fetus.She is most likely having a(n) :

Accepted Answer

A)  chorionic villus sampling.
B)  triple screen.
C)  amniocentesis.
D)  ultrasound sonography.E) A) and B)
F) A) and C)

Question 18

Sasha's 23rd chromosome pair contains two X chromosomes.This indicates that Sasha:

Accepted Answer

A)  has Down syndrome.
B)  has fragile X syndrome.
C)  is a female.
D)  is a male.E) All of the above
F) None of the above

Question 19

What are gametes?

Accepted Answer

A)  Zygotes
B)  Embryos
C)  Fertilized eggs
D)  Eggs and spermE) C) and D)
F) A) and B)

Question 20

Mary and Jim are expecting a child and prenatal diagnostic procedures have confirmed that the fetus has _____,a neural tube disorder that causes brain and spine abnormalities.Their physician has explained that this gene-linked abnormality could be treated with corrective surgery at birth,orthopedic devices,and physical or medical therapy.

Accepted Answer

A)  spina bifida
B)  Tay-Sachs disease
C)  phenylketonuria
D)  Huntington's diseaseE) All of the above
F) C) and D)

Exam 2: Biological Beginnings

_____ develop from a single zygote that splits into two genetically matching replicas,each of which becomes a person.

Correct Answer
verified

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

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

Which of the following statements about the activity of genes is TRUE?

Correct Answer
verified

Melody and Harmony are identical twins.This means that they developed from:

Correct Answer
verified

During fertilization,an egg and a sperm fuse to create a single cell called a _____.

Correct Answer
verified

Sasha's 23rd chromosome pair contains two X chromosomes.This indicates that Sasha:

Correct Answer
verified

Parents often interact differently with each sibling,and siblings interact differently with parents.Even these experiences occurring within the family can be part of the _____ of siblings.

Correct Answer
verified

What are the three ways that heredity and environment are correlated as described by behavior geneticist Sandra Scarr.

Correct Answer
verified
Behavior geneticist Sandra Scarr describ...
View Answer

Correct Answer
verified

David and Kelly are seeking help for infertility.Under their physician's guidance,they decide to undergo a procedure in which Kelly's eggs are combined in a laboratory dish with her husband's sperms.What is this procedure called?

Correct Answer
verified

Which of the following statements regarding chorionic villus sampling (CVS) and amniocentesis is true?

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

Gwendolyn is having a prenatal test where her doctor uses high-frequency sound waves directed into her abdomen to check her fetus.She is most likely having a(n) :

Correct Answer
verified

Xiomarra is tall with dark curly hair and brown eyes.She is outgoing and friendly.Name these observable characteristics of her genetic makeup.

Correct Answer
verified

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

Correct Answer
verified

What are gametes?

Correct Answer
verified

What are some problems adopted children face at different points of development (infancy,early childhood,middle and late childhood,and adolescence)?

Correct Answer
verified
During infancy children might struggle w...
View Answer

Identify a risk related to the use of chorionic villus sampling (CVS) as a prenatal diagnostic test.

Correct Answer
verified

_____ genes are those that make the individual more vulnerable to specific diseases or acceleration of aging.

Correct Answer
verified

List four sex-linked chromosomal abnormalities.

Correct Answer
verified
Klinefelter syndrome,fragile X...
View Answer

Exam 2: Biological Beginnings

_____ develop from a single zygote that splits into two genetically matching replicas,each of which becomes a person.

Correct AnswerverifiedShow Answer

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

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

Which of the following statements about the activity of genes is TRUE?

Correct AnswerverifiedShow Answer

Melody and Harmony are identical twins.This means that they developed from:

Correct AnswerverifiedShow Answer

During fertilization,an egg and a sperm fuse to create a single cell called a _____.

Correct AnswerverifiedShow Answer

Sasha's 23rd chromosome pair contains two X chromosomes.This indicates that Sasha:

Correct AnswerverifiedShow Answer

Parents often interact differently with each sibling,and siblings interact differently with parents.Even these experiences occurring within the family can be part of the _____ of siblings.

Correct AnswerverifiedShow Answer

What are the three ways that heredity and environment are correlated as described by behavior geneticist Sandra Scarr.

Correct AnswerverifiedBehavior geneticist Sandra Scarr describ...View AnswerShow Answer

Correct AnswerverifiedShow Answer

David and Kelly are seeking help for infertility.Under their physician's guidance,they decide to undergo a procedure in which Kelly's eggs are combined in a laboratory dish with her husband's sperms.What is this procedure called?

Correct AnswerverifiedShow Answer

Which of the following statements regarding chorionic villus sampling (CVS) and amniocentesis is true?

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

Gwendolyn is having a prenatal test where her doctor uses high-frequency sound waves directed into her abdomen to check her fetus.She is most likely having a(n) :

Correct AnswerverifiedShow Answer

Xiomarra is tall with dark curly hair and brown eyes.She is outgoing and friendly.Name these observable characteristics of her genetic makeup.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What are gametes?

Correct AnswerverifiedShow Answer

What are some problems adopted children face at different points of development (infancy,early childhood,middle and late childhood,and adolescence)?

Correct AnswerverifiedDuring infancy children might struggle w...View AnswerShow Answer

Identify a risk related to the use of chorionic villus sampling (CVS) as a prenatal diagnostic test.

Correct AnswerverifiedShow Answer

_____ genes are those that make the individual more vulnerable to specific diseases or acceleration of aging.

Correct AnswerverifiedShow Answer

List four sex-linked chromosomal abnormalities.

Correct AnswerverifiedKlinefelter syndrome,fragile X...View AnswerShow Answer

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Behavior geneticist Sandra Scarr describ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
During infancy children might struggle w...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Klinefelter syndrome,fragile X...
View Answer