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MDCAT Biology Chapter 8 Evolution Online Test MCQs With Answers

Question # 1

Color blindness, haemophilia and gout form linkage group onj

Choose an answer

Chromosome 9

Chromosome 19

x-chromosome

y-chromosome

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Question # 2

The two linked genes A and B with a 30% recombination frequency must be

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15 units apart

30 units apart

60 units apart

90 units apart

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Question # 3

Which of the following traist is transmitted directly from an affected to only its sons?

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autosomal

X-linked

Y-linked

X and Y linked

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Question # 4

How many kinds of rhodopsins, a blue cone monochromate will have

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No rhodopsins

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Question # 5

Interaction of two loci

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Pleiotropy

Epistasis

Dominance

Differentiation

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Question # 6

Point mutation occurs in

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Sickle cell anemia

Phenylketonuria

Alkaptonuria

All

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Question # 7

If six cells out of 10, do crossing over what will be percentage of cross over gametes

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60%

30%

40%

50%

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Question # 8

Queen victoria was having which kind of haemophilia

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None

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Question # 9

Genes for alpha and beta chains of hemoglobin are found on which chromosomes?

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Chromosome 16 alpha; chromosome 11 beta

Chromosome 11 alpha; chromosome 16 beta

Chromosome 11

Chromosome 16

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Question # 10

A heterrozygote offspring quantitatively exceeds the phenotypic expression of both the homozygote parents due to:

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dominance

incomplete dominance

over dominance

codominance

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Question # 11

How may gene pairs contribute to the wheat grain colour?

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one

two

three

four

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