Exercise: Animal Biotechnology Chromosomes

Questions for: Animal Biotechnology Chromosomes

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: B
No answer description is available. Let's discuss.
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Transmission of a gene from male parent to female child to male grand child is known as
A:
holandric inheritance
B:
quantitative inheritance
C:
criss-cross inheritance
D:
maternal inheritance
Answer: C
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Bar eye character of Drosophila is due to
A:
duplication in region of 16A of X chromosome
B:
deletion in region of 16A of X chromosome
C:
due to presence of additional X-chromosome
D:
due to a point mutation in eye-locus
Answer: A
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Diethyl stilbestrol (DES), a synthetic estrogen causes
A:
chromosome lagging
B:
disruption of mitotic spindle
C:
centriole elongation
D:
all of the above
Answer: D
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The percentage of individual with a given genotype, which exhibits the associated phenotype, is defined as
A:
penetrance
B:
expressivity
C:
inheritance percent
D:
environmental influence
Answer: A
No answer description is available. Let's discuss.
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