Answer:
genotype of both parents is uu.
Explanation:
All different type of genotypes (parent 1 and parent 2; offspring)
UU + UU = UU
UU + Uu = Uu
UU + uu = Uu
Uu + UU = Uu
Uu + Uu = Uu
Uu + uu = Uu
uu + UU = Uu
uu + Uu = Uu
uu + uu = uu
