Its a mutation where you have an extra x chromosome(2 or more x chromosomes in male)
The answer is the first choice:
Negative feedback reverses a change in a variable that has moved outside of its normal range, whereas positive feedback strengthens it.
Feedback loops do not only apply to blood pressure. There are many examples from body temperature regulation to child birth to your AC unit at home.
Explanation:
The gap between the two neurons is known as a synapse.
During anaphase, sister chromatids are pulled to opposite poles by the spindle fibers in preparation for cleavage.
