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The phenotype of any character will not be affected if the modified allele produces-

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Important Questions on Principles of Inheritance and Variation

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 79
The recessive characters are -
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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 80
In Mirabilis & Antirrhinum plant the appearance of the pink hybrid (Rr) between the cross of a red (RR) and white (rr) flower parent indicates:-
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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 81
RR (red) is crossed with rr (white). All Rr offsprings are pink. This indicates that the R-gene is
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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 82
In case of incomplete dominance the monohybrid ratio of phenotypes in F2 generation is :-
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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 83
When the phenotypic and genotypic ratios resemble in the F2 generation it is an example of :-
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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 84
In Mirabilis jalapa when homozygous red flowered and white flowered plants are crossed, all F1 plants have pink coloured flowers. In F2 produced by selfing of F1 plants, red, pink and white flowered plants would appear respectively in the ratio of :-
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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 85
In case of incomplete dominance, F2 generation has:-
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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 86
Incomplete dominance occurs in :-