Can someone help me out please?

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided