题目
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 he 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
第1题
The possible research of family trees is based on the fact that______.
A.genetics has achieved a breakthrough for family trees
B.genetic information contained in DNA can be revealed now
C.each individual carries a unique record of his relation to others
D.we can use DNA to prove how distant an individual is to a family
第2题
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 he 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
第3题
The possible research of family trees is based on the fact that ______.
A.genetics has achieved a breakthrough
B.genetic information contained DNA can be revealed now
C.each individual carries a unique record of whom he 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
第4题
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
第5题
Dr Pagel studied 122 family trees in that there were more genetic changes in them.
A.Y
B.N
C.NG
第6题
The second research proved that
A.the life span of trees in the Amazon basin is much longer than others.
B.trees consume carbon dioxide until they die.
C.it takes hundreds of years for trees to purify atmosphere.
D.the carbon that trees consumed may return to the atmosphere in five years.
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