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it can be as little as a single cell if using low copy number (LCN) analysis however if you are looking for results that are a little more reliable its ussially over 1 nano gram, that's using STR (short tandom repeate) analysis. if using something like RFLP (ristriction fragment length polymorphism) it would be alot more then that, however that technique is hardly used anymore. visually repisented the smallest amount of DNA to produce an STR profile is the size of a full stop .
i hope this helps
thegreatmizuti
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LaoA DNA fingerprint is created by isolating DNA samples, amplifying specific regions using PCR, separating the DNA fragments by size using electrophoresis, and then visualizing the unique banding patterns. These patterns are unique to each individual and can be used for identification purposes.
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A pattern of bands made up of specific DNA fragments is a?
DNA fingerprint
Which phrase is true for a DNA fingerprint?
A DNA fingerprint is a unique pattern of DNA fragments that can be used to identify individuals.
Are a DNA fingerprint and a genetic fingerprint the same?
Yes, a DNA fingerprint and a genetic fingerprint refer to the same thing. They are both unique patterns in an individual's DNA that can be used for identification purposes.
In what ways is DNA similar to a fingerprint?
DNA is similar to a fingerprint in that it is unique to each individual and can be used to identify and distinguish one person from another. Just as a fingerprint is a distinctive mark on a person's skin, DNA is a distinct genetic code that is specific to each person.
Why is DNA fingerprint more conclusive when proving a person's innocence rather than their guilt?
ANS1:Because it is technically possible for more than one person to have a similar DNA fingerprint, but it is impossible for someone to have their DNA fingerprint change. So if your fingerprint is:XXYYXYXAnd the guilty persons DNA is:XXXXYYYIt is impossible for you to be the guilty person. But, it is possible that my DNA fingerprint is also XXXXYYY - so please don't commit any crimes near my house or I might get nailed for it.ANS2:DNA fingerprinting always has a margin of error. The error can introduce reasonable doubt. Guilt in a capital case must be proved beyond a reasonable doubt.
