A couple whose sons are colourblind with AB b | vedclass

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Question

Colour blindness is caused by recessive sex-linked gene carried by $X$-chromosome. So, in male, one recessive gene is sufficient for its expression, $

Vedclass · Accepted Answer

Mother colourblind with $A$ blood group, and father normal with blood group-$B$

Vedclass · Answer

Colour blindness is caused by recessive sex-linked gene carried by $X$-chromosome. So, in male, one recessive gene is sufficient for its expression, $i.e.,$ $|X^{C} Y|$ but female needs two recessive gene $|X^{C} X^{C}|$ for the expression of colour blindness.

Mother will colourblind with $A$ blood group and father normal with blood group-$B$ as $-i$

So, all the sons will be colourblind with $AB$ blood group..

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

A couple whose sons are colourblind with $AB$ blood group, identify the parents from the following..

Similar Questions

: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

Select the correct sentence for colour blindness ?

Pattern baldness, moustaches and beard in human males are examples of

Phenylketonuria is a genetic disorder due to a defect in metabolism of the following.

A normalvisioned man whose father was colour blind, marries a woman whose father was also colourblind. They have their first child as a daughter. What are the chances that this child would be colour blind ?