George on one pair of his chromosomes has strs of lengths 6 and 7, stephen (his father) strs of lengths 3 and 6, and mary (his mother) strs of lengths 6 and 7. which of the following statements can be assumed with the information given?
a. stephen is not his biological father
b. george was adopted
c. mary and stephen are both his biological parents
d. not enough information to determine paternity
e. mary is not his biological mother

Stephen is not his biological father.

Explanation:

DNA fingerprinting is a technique use to determine the DNA sequence of an individual organism. Short tandem repeats are unique among the individuals ans used to identify the individual in population.

The George DNA fingerprinting shows that he has STRs length of 6 and 7. Stephen's STRs does not match with his son George whereas Mary shows some similarities with George STRs. This indicates that Stephen is not the biological father of George because the biological father's STRs must match with the children STRs.

Thus, the correct answer is option (a).

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explanation:

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