Which one of the following genetic crosses and their results indicates cytoplasmic inheritance?
1
Wild-type male × mutant female → 100% progeny are mutant
2
Wild-type male × mutant female → 25% progeny are wild-type
3
Mutant male × wild-type female → 50% progeny are mutant
4
Mutant male × wild-type female → 75% progeny are wild-type