An affected male marries a normal female. The | vedclass

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(A) In this scenario,the father is affected and the mother is normal. All daughters inherit the $X$ chromosome from their father. Since all daughters

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Sex-linked dominant

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(A) In this scenario,the father is affected and the mother is normal. All daughters inherit the $X$ chromosome from their father. Since all daughters are affected,it indicates that the affected gene is located on the $X$ chromosome. Because the father passes his $X$ chromosome to all his daughters and none of his sons,and the trait appears in all daughters but no sons,the trait follows an $X$-linked dominant inheritance pattern. If it were $X$-linked recessive,the daughters would be carriers (if the mother was homozygous normal) and not necessarily affected. Therefore,the gene is $X$-linked dominant.

Column $I$	Column $II$
$(1)$ Albinism	$(q)$ Recessive gene represented by $cc$
$(2)$ Phenylketonuria	$(s)$ Recessive gene represented by $pp$
$(3)$ Sickle cell anaemia	$(p)$ Recessive gene represented by $Hb^sHb^s$
$(4)$ Alkaptonuria	$(r)$ Recessive gene represented by $aa$

An affected male marries a normal female. They have three daughters and five sons. All the daughters are affected,and all the sons are normal. The gene for this disease is:

Similar Questions

What does the given pedigree chart indicate?

$A$ normal woman,whose father was colorblind,marries a normal man. What will be the status of their sons?

Match the columns:

Column $I$ Column $II$

$(1)$ Albinism $(q)$ Recessive gene represented by $cc$

$(2)$ Phenylketonuria $(s)$ Recessive gene represented by $pp$

$(3)$ Sickle cell anaemia $(p)$ Recessive gene represented by $Hb^sHb^s$

$(4)$ Alkaptonuria $(r)$ Recessive gene represented by $aa$

Haemophilia,a $X$-linked recessive disease,is caused due to the deficiency of:

$A$ man with normal vision whose father was colourblind marries a woman whose father was also colourblind. Suppose their first child is a daughter,what are the chances of this child being colourblind (in $\%$)?

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