b. insertion
<span>
</span><span>The Klinefelter syndrome is caused by an insertion mutation. It occurs
when there is an existence of an excess or extra X chromosome in each cell that
may cause an abnormality in the development of males. It usually affects the
physical and cognitive development of male with symptoms varying from one
person to another. Kids with these type
of disorder may experience learning
disabilities and even speech and language
problems. These kids tend to be
quiet and very sensitive. They can also be very passive.
</span>
Horomones travel from endocrine glands through bloodstream to target organs
The answer is chemical energy
Addison's disease is a disorder
in which the adrenal cortex is damaged and the adrenal gland does not produce
sufficient steroid hormones (cortisol and aldosterone). Symptoms of Addison's
disease occur gradually and they include darkening of the skin, abdominal pain,
weakness, and weight loss. For the question above, Nick have Addison's disease.
