Person whose father is colourblind marries a lady whose mother is daughter of a colourblind man. The

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4.Principles of Inheritance and Variation

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Person whose father is colourblind marries a lady whose mother is daughter of a colourblind man. Their children will be

All normal

All colour blind

All sons colour blind

Some sons normal and some colour blind

Solution

(d) A person whose father is colourblind i.e. person is normal because colour blind genes located on $x$-chromosome of father and it is transfered into only its daughters.

This person marry with a lady whose mother is daughter of colour blind father i.e. lady is carrier for colour blind.

Thus normal man marries with a carrier lady and their sons will be some normal and some colour blind.

Standard 12

Biology

Colour blindness is found more in males than in females because

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A colour blind man marries the daughter of a colour blind person. Then in their progeny

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(AIPMT-1988)

Which of the following is a sex-linked character

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Given below are two statements :
Statement $I :$ Sickle cell anaemia and Haemophilia are autosomal dominant traits.
Statement $II :$ Sickle cell anaemia and Haemophilia are disorders of the blood.
In the light of the above statements, choose the correct answer from the options given below :

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(NEET-2022)

Colour blindness results from

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Person whose father is colourblind marries a lady whose mother is daughter of a colourblind man. Their children will be

Solution

Similar Questions

Colour blindness is found more in males than in females because

A colour blind man marries the daughter of a colour blind person. Then in their progeny

Which of the following is a sex-linked character

Given below are two statements : Statement $I :$ Sickle cell anaemia and Haemophilia are autosomal dominant traits. Statement $II :$ Sickle cell anaemia and Haemophilia are disorders of the blood. In the light of the above statements, choose the correct answer from the options given below :

Colour blindness results from

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Given below are two statements :
Statement $I :$ Sickle cell anaemia and Haemophilia are autosomal dominant traits.
Statement $II :$ Sickle cell anaemia and Haemophilia are disorders of the blood.
In the light of the above statements, choose the correct answer from the options given below :