In the above pedigree, assume that no outsider marrying in, carry a disease. Write the genotypes of $C$ and $D$.
$XcY$ and $Xc Xc$
$X X c$ and $X Y$
$XY$ and $Xc Xc$
$X c X c$ and $XcX$
In which of the following colourblindness is inherited
Choose correct option.
$(i)$ The heterozygous female transmit the disease to son.
$(ii)$ Change in the shape of the $RBC$ from biconcave disc to elongated sickle like structure.
$(iii)$ Mentally retarded.
$(iv)$ Heamoglobin not formed proper amount in blood.
Represented below is the inheritance pattern of a certain type of trait in humans. Which one of the following conditions could be an example of this pattern?
Why is the frequency of red-green colour blindness is many times higher in males than that in the females ?
A normal woman, whose father was colour-blind is married to a normal man. The sons would be