Let R = red pigment and r = no pigment. In carnations, RR offspring make a lot of red pigment, rr offspring make no pigment and Rr offspring make a small amount of red pigment, thus appearing pink. Pink carnations are therefore an example of  

A.  codominance.
B.  incomplete dominance.
C.  epistasis.
D.  pleiotropy.


B.  incomplete dominance.

Biology & Microbiology

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