Gene for colourblindness is located on

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4.Principles of Inheritance and Variation

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Gene for colourblindness is located on

A

Homologous part of $X$-chromosome

B

Non-homologous part of $X$-chromosome

C

Homologous part of $Y$-chromosome

D

Non-homologous part of $Y$-chromosome

Solution

(b)Gene for colour blindness is located on the nonhomologous part of $x$-chromosome. It is a sex linked recessive disease.

Standard 12

Biology

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Similar Questions

A normal visioned woman, whose father is colour blind, marries a normal visioned man. What would be probability of her sons and daughters to be colour blind ? Explain with the help of a pedigree chart.

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A man homozygous for brown colour marries a lady heterozygous for brown colour is dominant. What will be the fate of their children

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:Match the columns :

Column $I$
Column $II$

$(1)$ Albinism $(p)$ recessive gene
represented by
HbsHbs.

$(2)$ Phenyl
Ketonuria $(q)$ recessive gene
represented by cc.

$(3)$ Sickle cell
anaemia $(r)$ recessive gene
represented by aa.

$4)$ Alkaptonuria $(s)$ recessive gene
represented by pp

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