Question

A cross was carried out between a pea plant, heterozygous for round and yellow seeds
with a pea plant having wrinkled and green seeds.
a) Show the cross in Punnet Squares.
b) Write the phenotypes of the progeny of the cross.

Answer 1

Answer:

Here's your answer:

Explanation-

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In his dihybrid cross the F 2 plants were obtained in the phenotypic ratio 9 (round yellow):3 (round green) :3 (wrinkled yellow):1 (wrinkled green) as shown in the Punnett square. Round seeds can be represented by the genotype RR or Rr as roundness of the seed is a dominant trait and can be homozygous or heterozygous. The green color is homozygous recessive and can be represented as yy.

the attached image explains the punnet square.