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?

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt

What is a dendrite and what does it do?