Our DNA Tests

Identilab offers Australia’s most reliable DNA testing for legal purposes including family law & immigration requirements, in addition to at home tests.

We have at home DNA test kits where you collect the samples yourself, or legal DNA testing options where you have your samples collected by a medical professional.

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At home
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Legally admissible
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Deceased DNA test
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At home
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Twin/Triplet DNA test

From $165.00

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Order your DNA test today

Twins can be classified as monozygotic (MZ or identical twins) or dizygotic (DZ, non-identical, or fraternal twins). Knowing the zygosity of your twins is important for medical, social, financial, and ethical reasons.

Monozygotic twins occur when one egg is fertilised by one sperm and the embryo then splits into two. Identical twins share 100% of their genetic information and are genetically the same, but this doesn’t mean that everything about them is identical. They may have some different physical characteristics, such as birthmarks, hair patterns, and teeth development.

Dizygotic twins occur when two separate eggs are simultaneously fertilised by two sperm. These twins share about 50% of their genetic information, just like any other sibling pair.

Scans performed during pregnancy are not a reliable way of determining zygosity as about one-third of identical pairs will have separate placentas. For about 70% of same-sex twins, an examination of the placenta and foetal membranes at birth will not tell you whether they are identical because non-identical twins can implant so closely together in the womb that their placentas fuse, giving the appearance of a single placenta.

Because of the difficulties in determining zygosity during pregnancy and the fact that identical twins may have slight differences in their physical appearance and non-identical twins may appear very similar, the best way to determine zygosity is by undertaking a DNA test.

DNA samples are easily collected by you in your own home. The results of twin/triplet testing cannot be used for legal purposes, and are simply for your own personal information.

This Twin/Triplet testing kit contains testing for two ($165) or three ($245) people.

Don’t want to order online? Download and complete our application form and return it to us via email, fax or post.

There are 3 easy steps to
find out if twins or triplets
are identical:

“Thanks so much for the results. How amazing is it that they are identical?”

1. Order

Place your order online or by contacting us by phone, email or through our contact form. We’ll send your collection kits that day if ordered by 12pm on a weekday (Brisbane time). Orders received on a weekend or after 12pm on a weekday will be sent the next business day. Kits are sent in discreet packaging via Australia Post.

2. Collect

Your collection kit includes full instructions on how to take your samples at home – it’s just a quick and easy swab from inside the mouth. Package the samples in the supplied pre-paid return envelope and drop them back in the post.

3. Results

Once we have all the samples at the lab, we’ll perform our testing as quickly as possible. You’ll receive your results via email within 5 business days of us receiving your samples (providing the samples are of good quality and additional testing is not required).

Have questions? Contact us

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Twin/Triplet DNA test

Got questions? Contact us
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