Answer:
1. Klinefelter syndrome
2. Nobody can be born with a single X chromosome
Explanation:
1. A genetic condition in which a male is born with an extra copy of the X chromosome
Klinefelter's syndrome isn't inherited, but rather occurs only as a result of a random genetic error after conception.
Males born with Klinefelter's syndrome may have low testosterone and reduced muscle mass, facial hair and body hair. Most males with this condition produce little or no sperm,
2. Sex chromosome occurs due to combination of the X and Y chromosome of both parents.
Answer:
High specific heat capacity.
Explanation:
Thermoregulation is the ability of an organism body to maintain it's internal temperature. It is an important aspect of homeostasis which is ability of an organism to maintain internal temperature not minding the surronding environment.
Blood have high specific heat capacity which help to maintain body temperature. Blood absorbs and distribute heat to the body, so as to maintain homeostasis. Blood vessels contracts when they react with outside environment.