DNA finger printing cannot be taken from

DNA finger printing cannot be taken from
?
a) Saliva
b) Tooth
c) Buccal mucosa
d) Blood
Correct Answer - B
Ans. is ‘b’ i.e., Tooth [Ref Parikh 6th le p. 7.2-7.15]
DNA finger-printing/ DNA profiling
Is a technique employed by forensic scientists to assist in the
identification of individuals by their respective DNA profile
it is a fool proof method to conclusively fix the paternity/ maternity.
The most desirable method of collecting a reference sample is the
use of a buccal swab. When this is not available (e.g.
because a court order may be needed and not obtainable) other
methods may need to be used to collect a sample of blood,
saliva, semen, or other appropriate fluid or tissue from personal
items (e.g. toothbrush, razor, etc.) or from stored
samples (e.g. banked sperm or biopsy tissue)