Semen DNA analysis: The detection and investigation in a sample of semen. Let us assume that a man's semen is alleged to be on a piece of fabric. To learn whether the cloth is stained by the suspect's semen, DNA testing can be done.
Here is how it works:
The DNA tests of semen can take several days or several weeks before results are available, depending upon which techniques have been used by the lab (and which lab has done the DNA testing). DNA tests can show that the semen is not from the suspect. Or these tests can show that the DNA in the sperm is not detectably different from the suspect's. But DNA testing can never prove with complete certainty that the semen is from the suspect.
Semen DNA analysis: The detection and investigation in a sample of semen. Let us assume that a man's semen is alleged to be on a piece of fabric.
Sperm that appears to be normal by traditional semen analysis parameters (motile, morphologically normal sperm) may even have extensive DNA fragmentation.
Yesterday Fox News released the following statement in a report about the Duke Lacrosse case: "On April 8, 9 and 10, DNA Security found DNA from multiple males on the ...
Conventional analysis. Typically, DNA samples come either from a cheek swab taken from a suspect or from biological materials, such as semen, blood and hair follicles ...
In the event your sample is positive for semen or sperm, you may elect to proceed with DNA analysis for further ...