Subject SAT (College Board) Biology: Questions 572 - 577 of 824

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Question number: 572

» Mendel and Hereditary

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MCQ▾

Question

Ratio of complementary genes is

Choices

Choice (5)Response

a.

9: 3: 3: 4

b.

9: 3: 4

c.

9: 7

d.

12: 3: 1

e.

None of the above

Question number: 573

» DNA and Evolution

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MCQ▾

Question

In DNA double helix, both the DNA strands are

Choices

Choice (5)Response

a.

Coiled around a common axis

b.

Covered by protein sheath

c.

Coiled in a different way

d.

Coiled around each other

e.

None of the above

Question number: 574

» DNA and Evolution

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MCQ▾

Question

Yellow spider is the best example of which of the following?

Choices

Choice (5)Response

a.

Mimicry

b.

Natural selection

c.

Reproductive isolation

d.

Mutation

e.

All of the above

Question number: 575

» DNA and Evolution

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MCQ▾

Question

Lack of independent assortment of two genes A and B in fruit fly Drosophila is due to

Choices

Choice (5)Response

a.

Crossing over

b.

Linkage

c.

Recombination

d.

Repulsion

e.

None of the above

Question number: 576

» Mendel and Hereditary

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MCQ▾

Question

A nutritionally wild type organism, which does not required some additional growth supplement is commonly called

Choices

Choice (5)Response

a.

prototroph

b.

autotroph

c.

holotype

d.

phenotype

e.

All of the above

Question number: 577

» Mendel and Hereditary

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MCQ▾

Question

Process which restricts multiplication of chromosome number and maintains stability of species is

Choices

Choice (5)Response

a.

mitosis

b.

gene expression

c.

replication

d.

meiosis

e.

Question does not provide sufficient data or is vague

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