Question 1

There is a trait with two alleles.One allele codes for blue while the other allele codes for yellow.If this trait is inherited in a codominant manner,what color will the offspring be?

Accepted Answer

A)  blue
B)  yellow
C)  green
D)  blue and yellow striped
E)  whiteF) A) and B)
G) None of the above

Question 2

Which of the following traits would not be considered multifactorial?

Accepted Answer

A)  alcoholism
B)  suicide risk
C)  cleft lip/palate
D)  diabetes
E)  ABO blood typeF) A) and B)
G) B) and E)

Question 3

Which of the following X-linked recessive disorders is characterized by a degeneration of the muscles?

Accepted Answer

A)  Fragile X
B)  Duchenne's
C)  color blindness
D)  hemophilia
E)  malariaF) None of the above
G) All of the above

Question 4

Which of the following is not an autosomal recessive disorder?

Accepted Answer

A)  Marfan syndrome
B)  Tay-Sachs disease
C)  cystic fibrosis
D)  sickle cell disease
E)  all are autosomal recessive disordersF) A) and D)
G) C) and E)

Question 5

When you describe a person as having attached ear lobes,you are describing their genotype.

Accepted Answer

A) True 
 B)False

Question 6

Probability calculations in which the word "or" is used involve the product rule.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following individuals has a recessive phenotype?

Accepted Answer

A)  AA
B)  Aa
C)  AaBb
D)  aabb
E)  aAbBF) A) and E)
G) A) and D)

Question 8

The square that is used to make all the possible combinations of gametes is called a Punnett square.

Accepted Answer

A) True 
 B)False

Question 9

There is a single gene that controls the ability to taste PTC paper.The ability to taste is dominant to the inability to taste.If you can taste the paper,it is very bitter.Which of the following genotypes can taste the paper?

Accepted Answer

A)  only PP
B)  both PP and Pp
C)  both PP and pp
D)  only Pp
E)  only ppF) A) and B)
G) B) and E)

Question 10

In a cross of Ff x Ff,the probability of having a dominant phenotype is

Accepted Answer

A)  1/4.
B)  1/3.
C)  1/2.
D)  2/3.
E)  3/4.F) A) and E)
G) A) and D)

Question 11

Which of the following represents the genotype of a male who is color-blind?

Accepted Answer

A)  XBXB
B)  XBXb
C)  XbXb
D)  XbY
E)  XBYF) D) and E)
G) B) and D)

Question 12

Most of the sex-linked traits are found only on the X chromosome.

Accepted Answer

A) True 
 B)False

Question 13

In an X-linked dominant trait,affected males pass the trait only to daughters.

Accepted Answer

A) True 
 B)False

Question 14

If you want to know the probability that tossing two coins will result in a particular outcome (two heads,for example) ,you use the

Accepted Answer

A)  product rule.
B)  sum rule.
C)  punnett rule.
D)  Bergman's rule.
E)  genetics rulE.F) C) and D)
G) D) and E)

Question 15

While a locus refers to a unit of heredity,a gene refers to a specific position on a chromosome.

Accepted Answer

A) True 
 B)False

Question 16

When describing someone as "lactose intolerant",you are describing their

Accepted Answer

A)  genotype.
B)  phenotype.
C)  alleles.
D)  genome.
E)  none of theseF) A) and B)
G) All of the above

Question 17

Which of the following terms refers to the genes of an individual?

Accepted Answer

A)  genotype
B)  phenotype
C)  gamete
D)  probability
E)  autosomalF) All of the above
G) A) and E)

Question 18

A male inherits his X linked allele from his mother.

Accepted Answer

A) True 
 B)False

Question 19

If a person with type B blood marries a person with type A blood,what phenotypes can their children be?

Accepted Answer

A)  all type A
B)  all type B
C)  types A and O
D)  types B and O
E)  types A,B,O,and ABF) None of the above
G) B) and E)

Question 20

How is familial hypercholesterolemia inherited?

Accepted Answer

A)  autosomal recessive
B)  autosomal dominant
C)  incompletely dominant
D)  codominant
E)  sex-linked dominantF) None of the above
G) A) and C)

Exam 21: Patterns of Genetic Inheritance

There is a trait with two alleles.One allele codes for blue while the other allele codes for yellow.If this trait is inherited in a codominant manner,what color will the offspring be?

Correct AnswerverifiedShow Answer

If a person with type B blood marries a person with type A blood,what phenotypes can their children be?

Correct AnswerverifiedShow Answer

If you want to know the probability that tossing two coins will result in a particular outcome (two heads,for example) ,you use the

Correct AnswerverifiedShow Answer

Which of the following represents the genotype of a male who is color-blind?

Correct AnswerverifiedShow Answer

Which of the following is not an autosomal recessive disorder?

Correct AnswerverifiedShow Answer

In a cross of Ff x Ff,the probability of having a dominant phenotype is

Correct AnswerverifiedShow Answer

Probability calculations in which the word "or" is used involve the product rule.

Correct AnswerverifiedShow Answer

A male inherits his X linked allele from his mother.

Correct AnswerverifiedShow Answer

Which of the following individuals has a recessive phenotype?

Correct AnswerverifiedShow Answer

Which of the following traits would not be considered multifactorial?

Correct AnswerverifiedShow Answer

Which of the following X-linked recessive disorders is characterized by a degeneration of the muscles?

Correct AnswerverifiedShow Answer

There is a single gene that controls the ability to taste PTC paper.The ability to taste is dominant to the inability to taste.If you can taste the paper,it is very bitter.Which of the following genotypes can taste the paper?

Correct AnswerverifiedShow Answer

How is familial hypercholesterolemia inherited?

Correct AnswerverifiedShow Answer

The square that is used to make all the possible combinations of gametes is called a Punnett square.

Correct AnswerverifiedShow Answer

When you describe a person as having attached ear lobes,you are describing their genotype.

Correct AnswerverifiedShow Answer

Which of the following terms refers to the genes of an individual?

Correct AnswerverifiedShow Answer

While a locus refers to a unit of heredity,a gene refers to a specific position on a chromosome.

Correct AnswerverifiedShow Answer

When describing someone as "lactose intolerant",you are describing their

Correct AnswerverifiedShow Answer

In an X-linked dominant trait,affected males pass the trait only to daughters.

Correct AnswerverifiedShow Answer

Most of the sex-linked traits are found only on the X chromosome.

Correct AnswerverifiedShow Answer

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