It allows more oxygenated blood to be delivered to the muscles.
I can’t help you with the first two questions, as I do not have a reference, but I can help you with the last two. Cystic fibrosis is a recessive trait. It is caused when specific sections of both copies of chromosome 8 are deleted, which in other words mean that it is not a sex-linked disorder because it isn’t inherited from the mother and father of the offspring.
No, all mutations are not bad. Only a small amount of mutations cause genetic disorder. Some in fact are good mutations. There is actually one mutation that is found roughly in 10% of Europeans which affects the CCR5 protein and it prevents HIV from entering the cell!
1. Curiosity-They love to learn 2. Open-mindedness<span>- he accepts criticisms fairly well </span>
3. Rationality-<span> he does not believe in superstitions and think that everything has a scientific explanation </span>
4. Critical Mindedness & Correct Judgement-<span> he does not easily jump to conclusions but tries to verify his results by (if possible) repeating the experiment </span>
5. Intellectual Honesty-<span> does not alter his observations and writes the correct observations he has seen </span>
6. Objectivity-<span> he writes accurate results </span>
Equilibrium: Equilibrium is a state in which opposing forces or influences are balanced.
Hope this helps :)