If we cross multiply the two heterozygous F1 offspring Yy x Yy, the result would be: YY, Yy, Yy, yy
Genotypic ratio: YY-25%
Yy- 50%
yy- 25%
Phenotypic ratio: YY, Yy, Yy- 75% Yellow
yy- 25% green
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