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Select the correct statement from the ones given below with respect to dihybrid cross:
(a)
Genes loosely linked on the same chromosome show similar recombinations as the tightly linked one
(b)
Tightly linked genes on the same chromosome show very few recombinations
(c)Tightly linked genes on the same chromosome show higher recombination
(d)Genes far apart on the same chromosome show very few recombinations

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Important Questions on Principles of Inheritance and Variation
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Which one of the following symbols and its representation, used in human pedigree analysis is correct?

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Which one of the following conditions correctly describes the manner of determining the sex in the given example ?

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Test cross in plants or in Drosophila involves crossing:

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Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child?

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generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1: 2: 1 . It represents a case of :-

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A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor?

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A normal visioned man whose father was colour-blind marries a woman whose father was also colour blind. They have their first child as a daughter. What are the chances that this child would be colour-blind?

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A test cross is carried out to :
