Imagine that long fins in zebrafish is a dominant trait. a breeder wants to set up a breeding program beginning with homozygous dominant long-finned fish. if she obtains a handful of the long-finned fish, how can she tell which, if any, of these are homozygous for the trait?

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

the answer is false?