A dog with brown fur breeds with a dog with gray fur. When the puppies are born, three of the puppies have brown fur, and one puppy has gray fur.

Assuming that there are only two alleles that code for fur color, what is the most likely reason for the puppies' fur colors?

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline

Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.