Quantitative Analysis Of Dna Attained From Partial Burnt Dead Bodies.

Abstract

In forensic investigation, dead bodies are recovered in legion conditions. Burning of corpses, frequently encountered in heinous crime scene cases such as suicide, homicide, accidents etc. The evidences attained from burnt remains are partially or fully destroyed. In case of partial burnt bodies, the burn extends to dermis. The blood gauze, partially burnt flesh pieces, burnt hair, nails etc. may be found in case of partially burnt dead bodies. The DNA can be isolated from the cells and tissues which were not in direct contact with fire. The partial burnt remains are the main source for extracting the DNA that may prove the identity of a person. In case of partial burnt remains, DNA can be obtained easily from partially burnt tissues and the quality of DNA is better in comparison to fully burnt remains. Effect of fire on DNA and extreme heat on blood, blood in form of prime source of DNA are believed to be no longer traceable after exposure to a temperature of 1000°C.