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In the above pedigree chart the genotype of first-generation parent will be-

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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-4>Q 6
Down's syndrome is due to
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-4>Q 7
A normal girl has colour-blind brother? Which statement is true?
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-4>Q 8
2A+ZWQuestion Image-ZZQuestion Image genotype is a type of sex determination found in
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-4>Q 9
In dihybrid cross of pea plant what will be the ratio of recombinant types in F2 generation
 
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-4>Q 10
A cross between black and white bird's results in blue birds in F1 generation and then cross between blue in F1 generation would result in
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-4>Q 11
In a monohybrid cross, what is the ratio of homozygous dominant and homozygous recessive individuals in the F2 generation?
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-4>Q 12
A normal man marries with a normal female. But the father of both of them were haemophilic. Which of the following statement is correct about their offsprings?
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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-4>Q 13
Which of the following has autosomal monosomic condition?