Answer:
heterozygote advantage
Explanation:
An heterozygote advantage is when a heterozygous genotype has a greater aptitude than homozygous genotypes. The specific case of heterozygous advantage over a single locus is known as overdominance. In short, this happens when a disorder is present in a heterozygous population, but this disorder has a great benefit for the genes present in the body.
Answer:
c. While narcolepsy is a REM stage disorder, insomnia causes people to have difficulty falling asleep when they want to
Explanation:
They are different disorders, The narcolepsy is a mental disorder, in which the brain needs to regulate the REM cycles, that is the reason why people with this disease turns long hours with daytime sleepiness. and during night they can not sleep.
Insomnia, in the other hand, is a sickness that it can be solved with some strategies like not taking coffee at night, set some schedules to sleep at the same time, etc.
<em>Answer: Dopamine is known as the “feel-good” hormone. It gives you a sense of pleasure. It also gives you the motivation to do something when you're feeling pleasure.</em>
Hope this helps!!