Answer to Question #298172 in Genetics for shuais

Question

In summer squash, white fruit color (A) is dominant over yellow fruit color (a). If a squash plant

homozygous for white is crossed with a plant homozygous for yellow, what will the phenotypic and

genotypic ratios be for:

Answer 1

Use the punnet square as shown below;

Phenotypic ratio

(White summer squash to yellow summer squash)

4 : 0 or 100% : 0%

Genotypic ratio

(WW to Ww to ww)

0 : 4 : 0 or 0% : 100% : 0%