Traits can be , which means they can be seen and are capable of masking a different trait.

Traits can also be
, which means they can be masked.

Alleles are different versions of the same
in an organism.

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water