<span>1. Biological disadvantages; people will be able to rid themselves of diseases or provide themselves with superior genes.
2. People will want to make clones; people will want to provide themselves, or their children, with superior genes; superior genetic people will create a higher, genetically-modified class.</span>
The chronic long term use of alcohol
<span>Basal Body Temperature (BBT) is the body temperature upon waking up
or when a person is at rest. After ovulation, a woman’s BBT rises because of increase in
progesterone level. BBT swill stay high throughout the post-ovulation phase and
until the following cycle. If there is pregnancy, BBT will stay high.</span>
Explanation:
Positive feedback occurs to increase the change or output: the result of a reaction is amplified to make it occur more quickly. Negative feedback occurs to reduce the change or output: the result of a reaction is reduced to bring the system back to a stable state.