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Can the presence of blood or semen be detected on an item of clothing or other materials/objects? Can it be used as a test sample?

April 26, 2017blood clothing detected Materials objects presence sample Semen Test Used

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Can the presence of blood or semen be detected on an item of clothing or other materials/objects? Can it be used as a test sample?

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• I have a sample with a male/female mixture, but no male DNA profile was obtained from standard testing. Is there a way to obtain a male profile? • I have black hair and brown eyes. How can I have a baby with blonde hair and blue eyes? • Can a DNA test show whether twins are fraternal or identical? • Can a DNA test help me identify biological relatives? • Is there a difference in the accuracy if blood is not used? • What is the basis for population statistics in Paternity Testing? • How is DNA testing affected for Bi-Racial parents? • What is a gene mutation and how does it impact paternity testing? • How can DNA testing help protect or challenge wills and estates? • What is involved with a siblingship study? • How is DNA testing used in adoption cases? • What is involved with prenatal paternity testing? • What is involved in a genetic reconstruction case, and who needs to be tested? • It sounds like blood and DNA test results alone decide paternity. Is that true? • What is grandparen

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Yes, Blood or seman stains can be isolated and DNA can be extracted from them for testing purposes. Seman sample is especially useful as it contains a haploid set of genome which is easy to be analyzed. However, for more extensive testing, a diploid genome containing sample cell should be used.