If the gene for not having Albinism (A) is dominant over the gene for having albinism (a). How can two non-albino people have an albino child. which genotype makes this possible?

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms