Ochicksk0smarie Ochicksk0smarie

30-07-2016
Biology

Answered

Which cross will yield four phenotypes in the 1:1:1:1 ratio?. .A] rryy x rryy. B] RrYy x rryy. C] RrYy x RrYy. D] RRYY x rryy

Verified Answer :

Hussain514 Hussain514

03-08-2016

It's (B). The Punnett square is a 4x1:

_____RY_____Ry_____rY_____ry___
ry____?_______?_____?______?_____

If you fill it out, you'll see 4 different phenotypes...

[(A) produces a 1:0 phenotypic ratio]

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