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Maize has 10 pairs of chromosomes. How many linkage groups are present?

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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>BEGINNER'S BOX>Q 20
The mechanism of sex determination in birds shows :
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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>BEGINNER'S BOX>Q 21
Which of the following symbols and its representation is correct :-
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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>BEGINNER'S BOX>Q 22

Question Image The pedigree shows

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>BEGINNER'S BOX>Q 23
If a couple has four girls, the probability of fifth child being male, is
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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>BEGINNER'S BOX>Q 24
Deficiency of enzyme homogentisic acid oxidase leads to :-
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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>BEGINNER'S BOX>Q 25
(2n-1) condition of chromosomes is called:
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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>BEGINNER'S BOX>Q 26
Addition or deletion of a nitrogenous base causes
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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>BEGINNER'S BOX>Q 27
Trisomy of which chromosome is involved in Down's syndrome?