The cycle of events that initiates gonadarche involves signals from the hypothalamus to the pituitary gland, which secretes hormones that in turn stimulate production of hormones in the

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: