Question 1

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) malaria 
A) Fragile X 
B) Duchenne's 
C) color blindness 
D) hemophilia 
E) malaria

Question 2

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 3

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

Question 4

How is familial hypercholesterolemia inherited?

Accepted Answer

A) autosomal recessive 
B) autosomal dominant 
C) incompletely dominant 
D) codominant 
E) sex-linked dominant 
A) autosomal recessive 
B) autosomal dominant 
C) incompletely dominant 
D) codominant 
E) sex-linked dominant

Question 5

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

Question 6

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

Accepted Answer

A) genotype 
B) phenotype 
C) gamete 
D) probability 
E) autosomal 
A) genotype 
B) phenotype 
C) gamete 
D) probability 
E) autosomal

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

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) white 
A) blue 
B) yellow 
C) green 
D) blue and yellow striped 
E) white

Question 11

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 12

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

Accepted Answer

A) True 
 B)False

Question 13

Which of the following individuals has a recessive phenotype?

Accepted Answer

A) AA 
B) Aa 
C) AaBb 
D) aabb 
E) aAbB 
A) AA 
B) Aa 
C) AaBb 
D) aabb 
E) aAbB

Question 14

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 AB 
A) all type A 
B) all type B 
C) types A and O 
D) types B and O 
E) types A,B,O,and AB

Question 15

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) XBY 
A) XBXB 
B) XBXb 
C) XbXb 
D) XbY 
E) XBY

Question 16

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

Question 17

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

Question 18

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

Accepted Answer

A) genotype. 
B) phenotype. 
C) alleles. 
D) genome. 
E) none of these 
A) genotype. 
B) phenotype. 
C) alleles. 
D) genome. 
E) none of these

Question 19

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

Question 20

A male inherits his X linked allele from his mother.

Accepted Answer

A) True 
 B)False

Exam 21: Patterns of Genetic Inheritance

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

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

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

How is familial hypercholesterolemia inherited?

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

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

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

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

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

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?

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

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

Which of the following individuals has a recessive phenotype?

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

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

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?

Which of the following traits would not be considered multifactorial?

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

Which of the following is not an autosomal recessive disorder?

A male inherits his X linked allele from his mother.

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