Question 1

Julie has a genetic disorder.Julie and her husband,Shane,have three children,none of which have the genetic disorder.How is this disorder most likely inherited?

Accepted Answer

A)   autosomal dominant
B)   autosomal recessive
C)   heterozygous dominant
D)   The environment influences the trait instead of the genetics.
E)   100% inheritance from the father since the children are not affected.F) A) and D)
G) A) and E)

Question 2

If a mother is a carrier for color-blindness and her husband is not color-blind,what are the probable genotypes of the children?

Accepted Answer

A)   one normal daughter, one carrier daughter, one normal son, and one color-blind son
B)   two normal daughters, one normal son, and one color-blind son
C)   two carrier daughters, one normal son, and one color-blind son
D)   one normal daughter, one carrier daughter, and two normal sons
E)   one normal daughter, one carrier daughter, and two color-blind sonsF) C) and D)
G) A) and E)

Question 3

The probability of tossing a coin and having it be heads or tails is

Accepted Answer

A)   1/4.
B)   1/2.
C)   1.
D)   0.
E)   2.F) B) and C)
G) A) and D)

Question 4

Which of the following designations indicates a sex-linked trait?

Accepted Answer

A)   A
B)   IA
C)   XB
D)   a
E)   iF) None of the above
G) A) and B)

Question 5

An allele is to a gene as a locus is to a

Accepted Answer

A)   gamete.
B)   phenotype.
C)   chromosome.
D)   genotype.
E)   unit of heredity.F) C) and E)
G) None of the above

Exam 21: Patterns of Genetic Inheritance

An allele is to a gene as a locus is to a

Correct Answer
verified

If a mother is a carrier for color-blindness and her husband is not color-blind,what are the probable genotypes of the children?

Correct Answer
verified

Which of the following designations indicates a sex-linked trait?

Correct Answer
verified

The probability of tossing a coin and having it be heads or tails is

Correct Answer
verified

Julie has a genetic disorder.Julie and her husband,Shane,have three children,none of which have the genetic disorder.How is this disorder most likely inherited?

Correct Answer
verified

Exam 21: Patterns of Genetic Inheritance

An allele is to a gene as a locus is to a

Correct AnswerverifiedShow Answer

If a mother is a carrier for color-blindness and her husband is not color-blind,what are the probable genotypes of the children?

Correct AnswerverifiedShow Answer

Which of the following designations indicates a sex-linked trait?

Correct AnswerverifiedShow Answer

The probability of tossing a coin and having it be heads or tails is

Correct AnswerverifiedShow Answer

Julie has a genetic disorder.Julie and her husband,Shane,have three children,none of which have the genetic disorder.How is this disorder most likely inherited?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified