In a dihybrid cross, F₂ ratio of 15:1 is die to

Important Questions on Principles of Inheritance and Variation

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 53

Which chromosomes set is found in male grasshopper?

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 56

In Morgan's experiment, what will be percentage of recombination in case of body colour and eye colour?

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 66

Baldness in man is a

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 68

A colour-blind man marries a daughter of colour-blind father, then in the offsprings

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 70

A child is born with an extra chromosome in each of its cell, this condition is the result of

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 74

Variations are:

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 79

A man with a certain disease marries a normal woman. They have eight children (3 daughters and 5 sons). All the daughters suffer from their father's disease, but none of the sons is affected. What will be the mode of inheritance of this disease?

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 82

A male human is heterozygous for autosomal genes A and B and is also hemizygous for hemophilic gene h. What proportion of his sperms will be abh?