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What ratio results from a dihybrid crossthat used two true breeding parents?Such as the crossRrYy x RrYyA. 9:3:3:1C. 4:4:4:4B. 12:4D. 8:4:4

Sagot :

Genetics - Mendel's second experiment

A dihybrid cross is a cross between first generation offspring of two individuals that differ in two traits

of particular interest.

Answer:

The ratio that results from a dihybrid cross that used two breeding parents is A: 9:3:3:1.

This is what Mendel's second experiment proved.

In the second generation (the one that results from this cross) 9/16 offspring have a determined set of characteristics, 3/16 have another, 3/16 another and only 1/16 has the reminding set.