the only possibilities for the childrens genotypes are; A and AB, so the fact that the child has a blood type of O isn't possible
A population consists of all the organisms of a given species that live in a particular area
It is controlled by negative feedback loop.Let's say you have high glucose level in your blood,that will be registered and pancreas will produce more insulin to keep it in the normal range.Therefore by negative feedback loop it will regulate homeostasis
