Question

Which of the following is correct for the condition when plant YyRr is back crossed with the double recessive parent?

Options

• 9 : 3 : 3 : 1 ratio of phenotypes only

• 9 : 3 : 3 : 1 ratio of genotypes only

• 1 : 1 : 1 : 1 ratio of phenotypes only

• 1 : 1 : 1 : 1 ratio of phenotypes and genotypes

Answer 1

1 : 1 : 1 : 1 ratio of phenotypes and genotypes