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| Can I have DNA Testing from
Earwax Samples? |
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When people need, for various reasons, to have a
DNA testing done, the normal, preferred sample to start up with
is a bucal swab, where there are enough epithelial samples to
obtain a genetic profile. All tissues or biological fluids from
the human body contain the same genetic material, in other
words, the source of DNA can be muscle tissue, hair, blood,
semen, saliva, nails or even earwax. |
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Samples for
DNA testing
Certainly the best sample in normal cases will be
epithelial cells from a bucal swab; however there
may be instances where the interested individual
may want to obtain a sample discretely and a
sample of DNA other than bucal swab may be
obtained. |
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DNA Testing Samples
Keep in mind that sources other than bucal swabs
or blood can provide a genetic profile, they may
not always do so, for reasons dealing with
variability in the amount of DNA in various
sources (in nails, hair etc) the amounts collected
and other reason, however in this special
circumstances , one can make use of this
non-standard samples. Other situations can be, in
cases where a body has already been embalmed (this
compromises the quality of the DNA that can be
obtained, here eyebrows and earwax can be used. |
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Earwax Samples for DNA Testing
Earwax, also known as cerumen, is a yellowish waxy
substance produced within the ear canal; earwax
protects the ear canal and also cleans it and
lubricates it and also provides protection against
bacterial, fungi and insect infections. Most
Caucasians and Asians have the honey-dark brown
type of earwax, whereas, Asians have the dry/flaky
type. |
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Can Earwax Sample to be Use for DNA Tests
Using home swabs, one can carefully collect
earwax; the more the better, and whereas a swab
tipful may be enough, 2-3 swabs if possible are
desirable; collect carefully form the inner
portion of the ear as opposed from the lobes(
where soap/shampoo flakes are more prevalent). |
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