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What is mutation?

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Important Questions on Principles of Inheritance and Variation

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Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 95
In the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree.
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Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 96
Conditions of a karyotype 2n + 1, 2n - 1 and 2n + 2, 2n - 2 are called 
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Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 97
If a colour-blind man marries a woman who is homozygous for normal colour vision, the probability of their son being colour-blind is
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Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 98
Which one is the incorrect match?
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Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 99
Study the pedigree chart of a family showing the inheritance of sickle-cell anaemia.
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The trait traced in the above pedigree chart is
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Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 100
Study the pedigree chart of a family showing the inheritance of myotonic dystrophy.
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The trait under study is
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Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 101
In the sickle cell anaemia, glutamic acid is replaced by valine. Which one of the following are triplets codes for valine?
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IMPORTANT
Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 102
A person with sickle cell anaemia is