Question

A PURPLE FLOWER WITH A UKNOWN GENOTYPE IS CROSSED A WITH A WHITE FLOWER. DETERMINE THE GENOTYPE OF THE PURPLE FLOWER IF PURPLE (P) IS DOMINANT AND WHITE (p) IS RECESSIVE.

Answer 1

so, PP or Pp (purple flower unknown) is crossed with pp(white flower known).
Possible results if PP--> Pp, Pp, Pp, Pp. (All phenotypically purple)
Possible results if Pp--> Pp, Pp, pp, pp. (Half purple, half white).