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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 91
In Grasshopper, rosy body colour is caused by a recessive mutation. The wild -type body colour is green. If the gene for body colour is on the X-chromosome, what kind of progeny would be obtained from a mating between a rosy female and a wild -type male
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 93

The pedigree and the corresponding autoradiograph of restriction map of a family with two children is shown below. The genotype of child 1 is

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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 94

A pedigree is shown below for a disease that is autosomal dominant. The genetic make up of the first generation is.

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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 95
If the blood group of father is ‘A’ and that of mother is ‘B’. The blood group of their child could be
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 97
The probability of having a girl child with blood group O when the parents have blood group A and B is:
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 98
Male offsprings of which of the following couples have the highest chance of haemophilia?
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 100
Test cross is
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 101
The weight of fruit in a plant is controlled by the number of dominant alleles of a certain number of genes. If seven weight categories are noticed, how many gene sites would be involved?