Round seeds (R) are dominant to wrinkled seeds (r), and yellow seeds (Y) are dominant to green seeds (y). What is the expected phenotypic ratio of a cross between an RrYy and an rryy individual?

According to the question the cross between the two pea plants with the genotype RrYy and rryy where R for round seeds and r for recessive form that expressed wrinkled seed character. The other character of this dihybrid cross is the color of the seds Y for green and y for yellow seeds.

The cross is shown in the image attached that suggests that phenotypic ratio would be 1:1:1:1 as RrYy, Rryy, rrYy, and rryy.

Thus, the correct answer is : 1:1:1:1.

samueladesida43 samueladesida43 · Answer 2 · 2022-04-05T12:58:37+02:00

The expected phenotypic ratio of a cross between an RrYy and an rryy individual is 1:1:1:1.

What is phenotypic ratio?

Phenotypic ratio is the ratio of offsprings based on their visible characteristics.

According to this question, round seeds (R) are dominant to wrinkled seeds (r), and yellow seeds (Y) are dominant to green seeds (y). If an RrYy individual is crossed with an rryy individual, the following genotypes are produced:

RrYy : RY, Ry, rY, ry
rryy: ry, ry, ry, ry

Therefore, the expected phenotypic ratio of a cross between an RrYy and an rryy individual is 1:1:1:1.

Learn more about phenotypic ratio at: https://brainly.com/question/3840678