Researchers conducting a study on personality have concluded that personality does not seem to be a changing trait. Which of the following observations supports this?

Explanation is in the file

tinyurl.com/wpazsebu

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: