A normal visioned woman, whose father is colour blind, marries a normal visioned man. What would be probability of her sons and daughters to be colour blind ? Explain with the help of a pedigree chart.
Daughters will be with normal vision. But $50 \%$ of the daughters will be carrier.(normal vision) $50 \%$ of the sons will be colour blind. And $50 \%$ of the sons will be with normal vision
It is said, that the harmful alleles get eliminated from population over a period of time, yet sickle cell anaemia is persisting in human population. Why ?
Both husband and wife have normal vision though their fathers were colourblind and mothers did not have any gene for colour blindness. The probability of their daughter becoming colourblind is
Study the given pedigree chart and select the correct option of the given question.
$(1)$ Is the trait recessive of dominant ?
$(2)$ is the trait sex linked or autosomal ?
Which of the following occurs due to the presence of autosome linked dominant trait?
If a normal women marries a colourblind man