The possible research of family trees is based on the fact that ______ .A.genetics has ach
The possible research of family trees is based on the fact that ______ .
A.genetics has achieved a breakthrough
B.genetic information contained in DNA can be revealed now
C.each individual carries a unique record of who ho is and how he is related to others
D.we can use DNA to prove how distant an individual is to a family, a group or a population