Subject SAT (College Board) Biology: Questions 663 - 666 of 824

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Question number: 663

» Mendel and Hereditary

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MCQ▾

Question

Blue eye color is recessive to brown eye color. A brown eyed man whose mother was blue eyed marries a blue-eyed woman. The children will be

Choices

Choice (5)Response

a.

Blue eyed and brown eyed 1: 1

b.

All brown eyed

c.

All blue eyed

d.

Blue eyed and brown eyed 3: 1.

e.

None of the above

Question number: 664

» DNA and Evolution

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MCQ▾

Question

The reaction in DNA replication catalyzed by DNA ligase is

Choices

Choice (5)Response

a.

Addition of new nucleotides to the leading strand

b.

Addition of new nucleotide to the lagging strand

c.

Formation of a phosphodiester bond between Okazaki fragments

d.

Base pairing of the template and the newly formed DNA strand

e.

None of the above

Question number: 665

» Mendel and Hereditary

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MCQ▾

Question

Crossing over in diploid organism is responsible for

Choices

Choice (5)Response

a.

recombination of linked alleles

b.

linkage between genes.

c.

segregation of alleles

d.

dominance of genes

e.

None of the above

Question number: 666

» DNA and Evolution

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MCQ▾

Question

The frequency of A allele is 0.6 and that of a is 0.4 at any particular locus. What would be the frequency of heterozygote’s in a random mating population at equilibrium?

Choices

Choice (5)Response

a.

0.48

b.

0.24

c.

0.16

d.

0.36

e.

None of the above

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