Answer:
From mother to child.
Unprotected sexual intercourse.
Sharing of sharp objects.
Unscreened blood transfusion.
Contact with body fluid of an infected person
A- Changes in the inherited characteristics pf a population over time.
Answer:
genetically unique
Explanation:
each of which has half the number of chromosomes as the parent cell.
Answer: In these studies, the girls were found to be tomboys during early childhood.
Explanation:
Androgens may be called "male hormones," but don't let the name mislead you. Both men's and women's bodies produce androgens, just in differing amounts. In fact, androgens have more than 200 actions in women, and they are present in higher amounts than estrogens.
One of the common arguments why the process of transplanting non-human organs which came from animals may be considered as an ethical act is that antigens on the surface of the non-human organs are not significantly rejected in the process. Although its research is still substantial, it is still considered as a matter of ethical issue.