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Calculating phenotypic ratio in dihybrid crosses

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In garden peas, yellow seed color is dominant over green, and round seed shape dominant over wrinkled. What phenotypic ratio can be expected in F2 from a cross between pure yellow and round with green and wrinkled? What would be the ratio of yellow: green and round: wrinkled? Ideas are included.

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Solution Summary

The expert calculates the phenotypic ratio in dihybrid crosses is the focal topic. The ratio of yellow, green and round are given.

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Parents - YYWW [Yellow, Round] X yyww [Green, Wrinkled]

F1 - YyWw [Yellow, Round]

F2 - 9/16 Y-W- [Yellow, ...

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