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In shorthorn cattle genes for red (r1), and white (r2) coat colour occur. Crosses between red (r1r2) and white (r2r2) produced (r1r2) roan. This is an example of
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Important Questions on Principles of Inheritance and Variation
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In Antirrhinum, two plants with pink flowers were hybridised. The F1 plants produced red, pink and white flowers in the proportion of 1 red, 2 pink and 1 white. What could be the genotype of the two plants used for hybridisation? Red flower colour is determined by RR and white by rr genes.
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The gene interaction when one gene masks the effect
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When a gene pair hides the effect of another, the phenomenon is called
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What will be the ratio in generation if red-flowered variety of Mirabilis jalapa is crossed with white-flowered variety
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Phenotypic ratio in plant Snapdragon in is
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What would be the colour of flower in progeny as a result of cross between homozygous red and homozygous white flowered Snapdragon :-
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ratio is modified to ratio due to
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Incomplete dominance is found in :
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Complete dominance is absent in
Or
Incomplete dominance is shown by
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When an albino female plant of maize is crossed with normal green male plant, all plants in the progeny are albino because
