DNA profiling works by mapping the section of an individual's genome that varies from that of other people in the population. Since most human DNA is identical, only a relatively small section of the total genome needs t... More »

www.reference.com Science Biology Molecular Biology & DNA

DNA profiling has the advantages of helping identify potential genetic diseases and helping law enforcement officers identify criminals. Disadvantages of DNA profiling include the possibility for error and the potential ... More »

DNA tests are close to 100 percent accurate in establishing paternity, according to BabyMed. A paternity test establishes the biological match between a baby and an alleged father. More »

www.reference.com Health Diagnostics & Imaging

DNA works by storing information that tells the body how to develop, survive and reproduce cells. DNA sequences are made up of four types of nucleotides: adenine, thymine, cytosine and guanine. Information in DNA is stor... More »

In sequencing the genome of the chimpanzee, scientists discovered that the great ape's DNA is 96 percent similar to that of human beings. This prompted many in the scientific community to contend that human beings are tr... More »

www.reference.com Science Biology Molecular Biology & DNA

Human DNA contains a total of approximately 3 billion base pairs within the genome. These base pairs are contained within 23 chromosome pairs. More »

Genetic drift is more likely to occur in small populations because when a mutation arises in a member of such a population, they, and potentially their offspring, constitute a much larger proportion of the population tha... More »