When white cat cross to black cat, F1 is white cat. F1 cats cross each other, and the proportion of white, black and brown cats in F2 is 9:3:4. What is the reason for this? ( )
A、Dominant epistasis
B、Additive effect
C、Recessive epistasis
D、Suppression
发布时间：2025-02-18 05:36:30
