Which of the following crosses and resultant phenotypic ratios are mismatched?

Options

A. `{:(,"Cross",,"Phenotypic ratio"),((a),"Tt"xx"Tt",-,3:1):}`
B. `{:(,"Cross",,"Phenotypic ratio"),((b),"tt"xx"Tt",-,2:1):}`
C. `{:(,"Cross",,"Phenotypic ratio"),((c),"TtYy"xx"ttyy",-,1:1:1:1):}`
D. `{:(,"Cross",,"Phenotypic ratio"),((d),"TtYy"xx"TtYy",-,9:3:3:1):}`

Answer

B