If the DNA strand is mutated it can cause genetical and physical defects. Just as an extra chromosome can cause Trisomy 21 which cause Down Syndrome.
The answer would be C. Hope this helps buddy!!
positive feedback could be contractions(as painful as it may seem, its true) in child birth and the ripening of fruit.
negative feedback include the regulation of blood glucose levels and osmoregulation
The long bones are those that are longer than they are wide.
They are one of five types of bones long, short, flat, irregular and sesamoid.