Question

Two linked genes a and b show 20% recombination. The individuals of a dihybrid cross between ++ /++ × ab/ab shall show gametes ______.

Options

• + +80 : ab 20

• + + 50 : ab 50

• + + 40 : ab 40 : + a 10 : + b : 10

• + + 30 : ab 30 : + a 20 : + b : 20

Answer 1

Two linked genes a and b show 20% recombination. The individuals of a dihybrid cross between ++ /++ × ab/ab shall show gametes + + 40 : ab 40 : + a 10 : + b : 10.