KERALA PSC / BIOLOGY / DNA TESTING / NOTES / OBJECTIVE
QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY
KERALA PSC / BIOLOGY / DNA TESTING / NOTES / OBJECTIVE
QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY
DNA testing is used for identification of individuals
on the basis of their respective DNA profiles. It is also used for parental
testing and rape investigation. Although 99.9% of human DNA sequences are the
same in every person, enough of the DNA is different to distinguish one
individual from another. The DNA testing technique was first reported in 1984
by Sir Alec Jeffreys in England. Jeffrey’s technique of DNA fingerprinting is
now used to identify criminals in forensic laboratories. It is also used to
determine paternity or maternity, that is who the true biological father or
mother of a child is.
KERALA PSC / BIOLOGY / DNA TESTING / NOTES / OBJECTIVE
QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY
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