Humans can’t digest cellulose, a component of plants, very w…

Humans can’t digest cellulose, a component of plants, very well. Imagine you developed a mutation in one of your stomach cells and it allowed your cell to start producing cellulase, an enzyme that breaks down cellulose. Every time that cell divides, the mutation is spread to another cell in your stomach and that cell can produce cellulase too. Soon, you can start getting more energy from salads than other people, because you can break down the cellulose.   Which of the following terms describe this type of mutation? Select all correct answers.

A species of ornamental fish comes in two colors; red is dom…

A species of ornamental fish comes in two colors; red is dominant and blue is recessive.  Maria owns a red fish, but she doesn’t know its genotype.  Therefore, she mates her pet with a blue fish.  Half of the offspring were red and half were blue. The type of cross Maria did in the description above is called a…