Question

If a carrier woman marries a normal visioned man, what is the percentage possibility of sons being colourblind?

Options

• 25%

• 50%

• 100%

• 0%

Answer 1

50%

Explanation:

50% as a transporter Because mother carries one normal and one mutant X chromosome, all boys acquire their X chromosome from her and their Y chromosome from their father, resulting in half normal and half colour blind sons.