While scientists have known of DNA’s existence for much longer, when did they actually discover that the DNA of each person differed?
A.
1963
B.
1985
C.
1990
D.
2000
3 answers
A. 1963
In reviewing evidence from a cold case, Shanice realizes that the original investigators did not collect any DNA evidence. She found a possible blood spot on some clothing in evidence that could yield some DNA of the perpetrator. She knows that the investigators had a suspect in mind but could never prove their involvement. However, the suspect was embalmed and buried five years ago. Why will Shanice be unable to collect DNA from the suspect?
A.
DNA is no longer available after three years.
B.
An embalmed body isn’t suitable for DNA testing.
C.
A body that has been buried in dirt corrupts DNA material.
D.
DNA testing techniques can’t extract DNA from dead bodies.
A.
DNA is no longer available after three years.
B.
An embalmed body isn’t suitable for DNA testing.
C.
A body that has been buried in dirt corrupts DNA material.
D.
DNA testing techniques can’t extract DNA from dead bodies.
B. An embalmed body isn’t suitable for DNA testing.
1 answer