Question 1

A scientist has an uncharacterized pea plant.She wants to determine the plant's genotype for seed color.In order to be certain that she will get conclusive results from a single cross,with what plant could she cross it? Check all that apply.

Accepted Answer

A)  a green-seeded pea plant (yy) 
B)  a yellow-seeded pea plant (YY) 
C)  itselfD) A) and B)
E) A) and C)

Question 2

Irene knows her blood type is A,but William does not know his blood type.However,William knows that his mother and father both had blood type B.Irene and William's first child is a boy with type O blood.Based on this information,William's blood type could be

Accepted Answer

A)  B only
B)  either B or O
C)  O only
D)  either AB or O
E)  A onlyF) B) and C)
G) A) and B)

Question 3

The phenotypic ratio for the F1 generation that results from a testcross between a homozygous recessive individual and a heterozygous individual is

Accepted Answer

A)  1:1
B)  2:1
C)  3:1
D)  1:2:1E) B) and D)
F) All of the above

Question 4

Based on his monohybrid crosses,Mendel's proposed which of the following? Check all that apply.

Accepted Answer

A)  Alternative forms of a trait are encoded by alternative alleles.
B)  The 2 alleles for a given trait separate when gametes form.
C)  Each allele has an equal probability of being passed on to the gametes.
D)  Allele pairs segregate independently of each other.
E)  Diploid individuals have 2 alleles for each trait.F) A) and B)
G) B) and E)

Exam 12: Patterns of Inheritance

Based on his monohybrid crosses,Mendel's proposed which of the following? Check all that apply.

Correct Answer
verified

A scientist has an uncharacterized pea plant.She wants to determine the plant's genotype for seed color.In order to be certain that she will get conclusive results from a single cross,with what plant could she cross it? Check all that apply.

Correct Answer
verified

The phenotypic ratio for the F₁generation that results from a testcross between a homozygous recessive individual and a heterozygous individual is

Correct Answer
verified

Irene knows her blood type is A,but William does not know his blood type.However,William knows that his mother and father both had blood type B.Irene and William's first child is a boy with type O blood.Based on this information,William's blood type could be

Correct Answer
verified

Exam 12: Patterns of Inheritance

Based on his monohybrid crosses,Mendel's proposed which of the following? Check all that apply.

Correct AnswerverifiedShow Answer

A scientist has an uncharacterized pea plant.She wants to determine the plant's genotype for seed color.In order to be certain that she will get conclusive results from a single cross,with what plant could she cross it? Check all that apply.

Correct AnswerverifiedShow Answer

The phenotypic ratio for the F1 generation that results from a testcross between a homozygous recessive individual and a heterozygous individual is

Correct AnswerverifiedShow Answer

Irene knows her blood type is A,but William does not know his blood type.However,William knows that his mother and father both had blood type B.Irene and William's first child is a boy with type O blood.Based on this information,William's blood type could be

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

The phenotypic ratio for the F₁generation that results from a testcross between a homozygous recessive individual and a heterozygous individual is

Correct Answer
verified

Correct Answer
verified