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Pleiotropy is the term in which a gene influences more than one trait. Its example is

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Important Questions on Principles of Inheritance and Variation

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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 32
Skin colour in rodents. is controlled by four alleles, the possible genotypes are
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 33
Multiple alleles can be found only when :
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 34
An example of the quantitative trait in man is:
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 35
The phenotypic ratio in the F2 Generation for three pairs of polygenes are
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 36
A dihybrid ratio of 1:4:6:4:1 is obtained instead of 9:3:3:1. This is an example of?
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 37
Lethal genes are those which.
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 38
In Lathyrus odoratus, the cross between two purple flowered plants forms a pink flowered progeny. This is due to
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 39
In a cross between two plants, the phenotypic ratio of F2 generation found to be 9: 3: 4 is due to: