A human female with Turner's syndrome

has one additional X chromosome.

is able to produce children with normal husband.

E M B I B E

Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 90

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IMPORTANT

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A woman has a child with Klinefelter's syndrome. Number of barr bodies present in the child is

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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-2>Q 91

In Grasshopper, rosy body colour is caused by a recessive mutation. The wild -type body colour is green. If the gene for body colour is on the

X -

chromosome, what kind of progeny would be obtained from a mating between a rosy female and a wild -type male

HARD

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IMPORTANT

Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 92

A man and women who both appear normal have a child together, who has sickle cell anaemia. Sickle cell anaemia is an autosomal recessive trait. The woman becomes pregnant again and is told that she is carrying fraternal twins. What is the probability that both of the couple's twins will develop sickle cell anaemia?

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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 93

The pedigree and the corresponding autoradiograph of restriction map of a family with two children is shown below. The genotype of child $1$ is

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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 94

A pedigree is shown below for a disease that is autosomal dominant. The genetic make up of the first generation is.

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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 95

If the blood group of father is

‘ A ’

and that of mother is

‘ B ’

. The blood group of their child could be

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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 96

Gregor Mendel showed that unit factors exist in pairs and exhibit a dominant-recessive relationship. These unit factors, in modern terminology, are called:

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Alpha Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>Exercise-2>Q 97

The probability of having a girl child with blood group