Colour blindness in man is
Due of deficiency of vitamin $A$
Due of absence of visual purple in retina
Due to absence of rods in retina
A sex linked abnormality
It's Obvious
Recessive characters are expressed
A woman has a haemophilic son and three normal children. Her genotype and that of her husband with respect to this gene would be
In the given pedigree, indicate whether the shaded symbols indicate dominant or recessive allele.
The most important example of point mutation is found in a disease called
The pedigree chart given below shows a particular trait which is absent in parents but present in the next generation irrespective of sexes. Draw your conclusion on the basis of the pedigree.
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