In a normal-sighted individual, the will focus images perfectly on a small indentation in the back of the eye known as the .

Lens

Ratina

Explanation:

In the eye the lense refeacts the light coming in through the pupil and then focus it on the small indentation opposite to the lense called Ratina.

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: