Mendel and Hereditary [Subject SAT (College Board) Biology]: Questions 67 - 71 of 76

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Question 67

Mendel and Hereditary
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Question

MCQ▾

Two nonallelic a gene produces the new phenotype when present together but fail to do so independently then it is called

Choices

Choice (5)Response

a.

Non complementary gene

b.

Complementary gene

c.

Epistasis

d.

Polygene

e.

None of the above

Question 68

Mendel and Hereditary
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Question

MCQ▾

Two crosses between the same pair of genotypes or phenotypes in which the sources of the gametes are reversed in one cross, is known as

Choices

Choice (5)Response

a.

Test cross

b.

Dihybrid cross

c.

Reverse cross

d.

Reciprocal cross

e.

Question does not provide sufficient data or is vague

Question 69

Mendel and Hereditary
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Question

MCQ▾

The phenomenon, in which an allele of one gene suppresses the activity of an allele of another gene, is known as

Choices

Choice (5)Response

a.

dominance

b.

suppression

c.

inactivation

d.

epistasis

e.

Question does not provide sufficient data or is vague

Question 70

Mendel and Hereditary
Edit

Question

MCQ▾

The allele which is unable to express its effect in the presence of another is called

Choices

Choice (5)Response

a.

recessive

b.

co dominant

c.

supplementary

d.

complementary

e.

None of the above

Question 71

Mendel and Hereditary
Edit

Question

MCQ▾

A fruit fly is heterozygous for sex-linked genes, when mated with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion.

Choices

Choice (5)Response

a.

7: 1

b.

2: 1

c.

3: 1

d.

1: 1

e.

None of the above