The most striking example of point mutation is found in a disease called
Night blindness
Thalassemia
Down's syndrome
Sickle-cell anaemia
In a cross between a male and female, both heterozygous for sickle cell anaemia gene, what percentage of the progeny will be diseased? (In $\%$)
A colour blind son will born when
Carrier of genes of colour blindness are present in
In which of the following colourblindness is inherited
In the given pedigree, indicate whether the shaded symbols indicate dominant or recessive allele.