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.
The trait is autosomal recessive trait. Both the parents are carrier (i.e., heterozygous) hence among offspring few show the trait irrespective of sex. The other off springs are either normal or carrier.
Thalassaemia is
If a colour blind lady marries a normal man, their children will be
What is pedigree analysis? Suggest how such an analysis, can be useful.
A colourblind daughter is born when