Using punnet square, work out a dihybrid cross between homozygous round yellow and wrinkled green seed varieties of a pea plant. Identify the Mendelian principle which the F2 phenotypic ratio refers to.

i answered the question which i knew I dont know the other 2 questions u sent me about the lateral roots


When we cross homozygous RRYY and rryy when get the offsprings as RrYy. Again cross RrYy with RRYY / rryy we get the ratio 9:3:3:1
In the attachment I have explained the answer in detail.
The principle which the F2 phenotypic ratio refers to is:-
Round Yellow : Wrinkled Yellow : Round Green : Wrinkled Green.
Both dominant : 1 Dominant and the other recessive : 1 dominant and the other recessive : Both recessive.

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