Question 1

(Multiple Choice)

A particular flower can be purple, blue, red, or white.Two different pure-breeding white plants are crossed and the F1 are then crossed to produce an F2 generation.What might a 9:7 phenotypic ratio in the F2 indicate?


A)reciprocal recessive epistasis
B)codominance
C)dominant epistasis
D)recessive lethality
E)additivity

Answer

A