You cross two pea plants both from pure breeding lines.  One has hairy leaves and the other has smooth leaves.  All the offspring have hairy leaves.  If you take one of the offspring (F1) and cross it back to smooth-leaved plant what phenotypic ratio do you expect in the next generation? Group of answer choices A. half smooth and half hairy B. all smooth C. all hairy D. 3/4 hairy and 1/4 smooth

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A: (C) 19

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