Question

How many $F_2$ plants having two dominant alleles typically dihybrid cross ?

• A. 6/16
• B. 10/16
• C. 9/16
• D. 1/16

Answer 1

The correct option is C 9/16

Question asking for Genotype which have 2 dominant allele.

It means genotype should be YYRR,YyRr,YYRr,YyRR,

Now count form image how many this kind of genotypes get occur.

Total =9 out of 16 will show this trait.

Answer is option C.