Question

how would i make a punnet square to find the offspring of parents:
SsYy x ssyy

I don't understand what i would put for each of the boxes on the outside

Answer 1

SY
Sy
sY
sy
across the top
sy sy sy sy

Answer 2

one parent is Ss Yy
so put those two across the top
-- Ss Yy

ss

yy

Answer 3

SY
Sy
sY
sy
across the top and bottom.

Wouldn't the top be the same as the bottom? According to this genotype, the ratio will be 1:1:1:1