A normal woman is married with a man having hypertrichosis condition. They got one daughter and one son. What is the possibility of this daughter to have hypertrichosis condition?

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Solution

The inheritance of hypertrichosis is controlled by holandric genes present on the non-homologous part of Y-chromosome. These genes are usually received and usually expressed by all the male descendants of affected male generation after generation while female descendants, being lacking this non-homologous Y-region could neither receive, express, nor transmit such a trait.

Some More Questions From Principles of Inheritance and Variation Chapter

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Principles Of Inheritance And Variation

A normal woman is married with a man having hypertrichosis condition. They got one daughter and one son. What is the possibility of this daughter to have hypertrichosis condition?

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Some More Questions From Principles of Inheritance and Variation Chapter

What are the real determinants of what an organism will become ?

What is the unique feature of F1 generation ?

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What do the symbols square and circle in a pedigree chart indicate ?

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Distinguish between homogametic and heterogametic organisms.

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Principles Of Inheritance And Variation

A normal woman is married with a man having hypertrichosis condition. They got one daughter and one son. What is the possibility of this daughter to have hypertrichosis condition? 0% 25% 50% 100%

Some More Questions From Principles of Inheritance and Variation Chapter

What are the real determinants of what an organism will become ?

What is the unique feature of F1 generation ?

What will be the genetic make up of an organism which suffers from sickle cell anaemia ?

What do the symbols square and circle in a pedigree chart indicate ?

Define heterogamy. Give an example.

How many chromosomes are found in human cells ?

Why is male Drosophila regarded as heterogametic ?

What term is used for the two chromatids resulting from the interchange of segments during crossing over ?

What is name of a cross in which a dominant individual is crossed with a recessive parent?

Distinguish between homogametic and heterogametic organisms.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

A normal woman is married with a man having hypertrichosis condition. They got one daughter and one son. What is the possibility of this daughter to have hypertrichosis condition?

0%

25%

50%

100%