Question

http://prntscr.com/71y4l6

Answer 1

@CallMeKiki

Answer 2

@dmndlife24

Answer 3

I think it's A.

Answer 4

Because when you finish the square, the top left one is PP. The top right is Pp. Bottom left is also Pp. The bottom right is pp.
That makes 50% heterozygous, or different. PP is the 25% homozygous dominant, and pp is homozygous recessive.

Answer 5

pp is the 25% homozygous recessive***