Question

If a colour blind man marries a normal visioned woman, what is the percentage of offsprings showing colour blindness phenotypically?

Options

• 25%

• 50%

• 0%

• 100%

Answer 1

0%

Explanation:

In a dihybrid cross for eg. YyRr is F₁ hybrid that will produce the gamete YR, Yr, yR. yr each gamete will be 25%.