Mendel and Hereditary [Subject SAT (College Board) Biology]: Questions 35 - 38 of 76

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Question 35

Mendel and Hereditary
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Question

MCQ▾

When a single gene influences more than one trait it is called

Choices

Choice (5)Response

a.

pleiotrophy

b.

pseudodominance

c.

epistasis

d.

Question does not provide sufficient data or is vague

e.

All of the above

Question 36

Mendel and Hereditary
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Question

MCQ▾

A gene pair hides the effect of another gene. The phenomenon is called

Choices

Choice (5)Response

a.

segregation

b.

epistasis

c.

mutation

d.

dominance

e.

None of the above

Question 37

Mendel and Hereditary
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Question

MCQ▾

In Mendel’s experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F2 generation of the cross RRYY x rryy?

Choices

Choice (5)Response

a.

Only wrinkled seeds with yellow cotyledons

b.

Round seeds with yellow cotyledons, and wrinkled seeds with yellow cotyledons

c.

Only round seeds with green cotyledons

d.

Only wrinkled seeds with green cotyledons

e.

Question does not provide sufficient data or is vague

Question 38

Mendel and Hereditary
Edit

Question

MCQ▾

Abnormal separation of chromosomes is classified as:

Choices

Choice (5)Response

a.

Diploid budding

b.

Non-disjunction

c.

Disjunction

d.

Haploid budding

e.

All of the above