Answer:
cross 1: 75% black 25% white
cross 2: 50% black 50% white offspring
Step-by-step explanation:
Cross 1
Heterozygous black x heterozygous black
F f
F FF Ff
f Ff ff
75% black 25% white
Cross 2
Heterozygous black x homozygous white
F f
f Ff ff
f Ff ff
50% black 50% white offspring