A.Malignancies were diagnosed in three family members on the basis of this abnormality and then surgically removed. B.It appears to be the first instance in which this specific abnormality – in this case an exchange of material between the chromosomes number three and eight in all cells of the person's body – has been traced from generation to generation and thus permitted identification of cancer patients before they had any symptoms. C.An inherited genetic abnormality has been linked to a specific type of kidney cancer in a family in which ten members were affected over three generations. D.The discovery by scientists at Beth Israel Hospital in Boston, USA, provides a potentially important clue to the origin of at least some cancers.
A.DCAB
B.CBDA
C.ABCD
D.DABC
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