Biotechnology - Animal Biotechnology Chromosomes

Exercise :: Animal Biotechnology Chromosomes - Section 1

  • Animal Biotechnology Chromosomes - Section 1
6. 

The degree or extent to which a given genotype is expressed phenotypically in a particular individual is defined as

A. penetrance
B. expressivity
C. inheritance strength
D. environmental influence

Answer: Option B

Explanation:

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7. 

How many chromosomes are there in Caernorhabditis elegans?

A. 3
B. 6
C. 9
D. 12

Answer: Option B

Explanation:

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8. 

If two genes show 50% recombination

A. they are on different chromosomes
B. they are on same chromosome but far apart
C. both (a) and (b)
D. they are closely located on the same chromosome

Answer: Option C

Explanation:

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9. 

Which of the following denotes a pair of contrasting characters?

A. Alleles
B. Phenotype
C. Homozygous
D. Genotype

Answer: Option A

Explanation:

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10. 

A map of chromosomes that utilizes cloned and sequenced DNA fragments rather than genetic markers is known as

A. a physical map
B. a genetic map
C. a cloning map
D. none of these

Answer: Option A

Explanation:

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