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An abnormal human baby with 'XXX' sex chromosomes was born due to:

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Important Questions on Principles of Inheritance and Variation

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 27 - Principles of Inheritance and Variation>AIPMT - 3rd May 2015>Q 42
Alleles are:
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 27 - Principles of Inheritance and Variation>AIPMT - 3rd May 2015>Q 43
A man with blood group 'A' marries a woman with blood group 'B'. What are all the possible blood groups of their offsprings?
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 27 - Principles of Inheritance and Variation>AIPMT - 25th July 2015>Q 44
In his classic experiments on pea plants, Mendel did not use:
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 27 - Principles of Inheritance and Variation>AIPMT - 25th July 2015>Q 45
In the following human pedigree, the filled symbols represents the affected individuals. Identify the type of given pedigree.


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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 27 - Principles of Inheritance and Variation>AIPMT - 25th July 2015>Q 46
A pleiotropic gene
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 27 - Principles of Inheritance and Variation>AIPMT - 25th July 2015>Q 47
A gene showing codominance has
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 27 - Principles of Inheritance and Variation>AIPMT - 25th July 2015>Q 48
The term ''linkage'' was coined by:
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 27 - Principles of Inheritance and Variation>AIPMT - 25th July 2015>Q 49
A colourblind man marries a woman with normal sight who has no history of colour blindness in her family. What is the probability of their sons being colourblind?