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Saturday, July 19, 2014

1st cousing DNA testing



1st Cousin DNA Testing

DNA Tests Available > Cousin DNA Testing> > First Cousin DNA Testing

Test Price from £350 + VAT

See full price list for the 1st Cousin DNA Test here >>>

What is a 1st Cousin DNA Test?

The first Cousin DNA test will establish whether two individuals share a common ancestor – which in the case of first cousins will be their grandparents. Cousin DNA testing should only be used when closer relatives are not available for testing in order to establish the link.
Please also see our Extended Cousin DNA test which can accurately identify relationships as far removed as 4th cousins. See further information about the Extended Test >>>
The 1st Cousin DNA Test can provide up to a 99.99% positive proof of the relationship or it will exclude the relationship with 100% proof. The BioClinics DNA test is the most detailed and accurate Cousin DNA testing service available.
  • The 1st Cousin DNA Test analyses up to 46 DNA locations
  • ISO 17025 Accredited/ 100% Accurate Results
  • Inconclusive rate of 1 in 100
  • Legal Auntie Test and Peace of Mind options available
  • Known parent tested for free to improve tests accuracy

Are we first cousins?

A cousin is technically a relative with whom a person shares a common ancestor, when that ancestor is not a parent, sibling, child of a sibling, or sibling of a parent. In reality it is usually two ancestors that the relative shares in the form of their Grandparents – making them what is referred to as first cousins or 1st cousins.
Usually when people refer to a ‘cousin’ they are referring to someone who is a ‘first cousin’. However, as the link between two people moves further away on the family tree, it becomes more complicated.
There are actually ‘levels of cousin’, also called ‘degrees of cousinship’ and ‘removals of cousinship’.
Basically - if two people (that are not siblings) have a grandparent in common OR they are the children of two siblings, then they are first cousin.
First Cousin Graphic
For the purpose of this DNA test, it is important to establish if this is the only possible relationship between the two individuals.
If you would like some guidance on how to check the level of cousinship, please follow the link below:

What are the types of Cousin DNA test?

This Cousin DNA test can be performed between individual who believe they are related to a degree up to 1st cousins.
There are typically two types of Cousin DNA Test, depending on the situation known:
  • 1st Cousin OR Unrelated Test– This test is carried out when test participants believe their parents were siblings and that they share the same grandparents.
  • At the BioClinics, a clinical advisor will work with you to establish exactly what the situation is and what the known facts are, thus determining the correct form of test for your family.
At the BioClinics, a clinical advisor will work with you to establish exactly what the situation is and what the known facts are, thus determining the correct form of test for your family.

How does the 1st Cousin DNA test work?

The test analyses up to 46 genetic locations on the DNA strand to create a DNA profile for each test participant. It will look at the Y chromosome or Mitochondrial DNA lines if appropriate. The DNA profiles of the test participants are then compared.
For full details on how this DNA test works please visit the Advanced Complex DNA testing page >>>

Are there other forms of DNA test that can be used?

Cousin DNA testing are usually a way of testing the identity of a biological parent, without directly including that alleged parent in the test. Sibling DNA tests can be used if appropriate and also Grandparent tests.
Although Cousin DNA tests can be very accurate and useful DNA tests, they cannot replace the tests that directly test the DNA of a biological parent. For example, if an alleged father is available for testing, then a Paternity DNA test should be used rather than a another child of a related sibling.

Inconclusive Results in Cousin DNA tests

There is the 1% chance that this DNA test will yield an INCONCLUSIVE result – For more information on inconclusive tests please visit the Advanced Complex DNA testing page >>>

This DNA test is able to establish answers to the following questions:

Are we cousins? Are we related?
Is she my mum’s brother’s daughter? Is he my mum’s brother son?
Is she my dad’s brother’s daughter? Is he my dad’s brother’s son?
Is he my uncle’s son? Is she my uncle’s daughter?

A network of Clinics providing Peace of Mind and Legal 1st Cousin DNA Testing...

Brothers & SistersBioClinics are the only UK company to offer peace of mind DNA tests in a clinical setting. This means that your 1st Cousin DNA test samples are collected by a certified professional. To book an appointment at a DNA Testing Clinic, please call 0800 032 5945.


Arrange a home visit by a BioClinics Nurse/sample collector...
District Nurse

Have your DNA samples for a 1st Cousin DNA test taken be a trained sample collector at your home or a location of your choice. Call BioClinics to discuss the appointment options available to you.


BioClinics provide self-collection DNA Kits for your convenience... 
Young White Couple

Collecting your own DNA samples using mouth swabs is straightforward and painless. BioClinics DNA testing kits are available to order from our on-line store here FREE DNA test kit. Alternatively you can call 0800 032 5945 to order via telephone.



Which 1st Cousin DNA Test is right for you?


What to do Next?

  1. Choose your preferred DNA sample collection service.
  2. For all 1st Cousin DNA tests (except on-line DNA Test Kit orders ), call FREE from the UK on 0800 032 5945 or Ireland on 1800 806 151 to organise your appointment.
  3. Attend the appointment to have your DNA samples collected by a fully trained professional.
  4. Your DNA samples are processed in BioClinics accredited laboratory.
  5. You will receive your 1st Cousin DNA test results via your chosen method.


Frequently Asked Questions for 1st Cousin DNA Testing

How much does a Cousin DNA test cost? >>>




Family Relationship Testing

GRANDPATERNITY TESTING (Grand parent DNA Testing)

This type of testing is the second best option for testing if the father is deceased, unwilling or just unavailable for testing. Besides a paternity test, the second strongest test option is a grandpaternity test that includes the mother, the child and both paternal grandparents for testing. By including both of the alleged father’s parents, the alleged father’s DNA profile can be reconstructed since his parents contributed the other 50% of the DNA given the child. To explain further, a child inherits 50% of his/her DNA from their father and the other 50% from their mother thereby in this scenario the mother of the child provided 50% of the information already and the other 50% (25% from the grandmother and 25% from grandfather = 50%) allowing us to provide results as strong and accurate as a paternity test.
However, each time a person is removed from this test option, such as a grandparent or mother, the strength of the genetic evidence decreases. This test take about 3 – 5 business for results. See options below for strongest test options with number 1 being the strongest option.
1. Mother, Child, 2 Grandparents
2. Child, 2 Grandparents
3. Mother, Child, 1 Grandparent
4. Child, 1 Grandparent

AVUNCULAR (Aunt DNA Testing OR Uncle DNA Testing)

Either an Aunt DNA test or Uncle DNA test is an excellent option for testing if the only persons available for testing are the alleged father’s full siblings. An avuncular test involves testing the child’s paternal aunt or uncle (the alleged father’s full sister or full  brother and the child in question.  This would yield the best results outcome. Two things to consider when using this option, is that the sibling tested is from the same mother and father of the missing alleged father. Second, including the mother of the child in question in this test is strongly recommended as it strengthens the genetic evidence. Generally, this test will not give results as strong as a grandparentage test or a paternity test, but it is still a good option if the only people available for testing are the alleged father’s siblings.

SIBLING TESTING

This type of Siblingship DNA test involves testing two or more people who potentially share the same biological parent or parents and it is used to determine if individuals are related as full brother and sisters, half brothers and sisters or unrelated. It is strongly recommended that if the mother(s) are known or can be tested that they be included in the test as it will strengthen the test results. Including the mother(s) in the test can increase the results dramatically, where as an example you might see a probability of 98% with the mother(s) included instead of only 83%.

TWIN ZYGOSITY TESTING ( DNA Testing of Twins)

It might seem obvious in most cases that two siblings are identical just by looking at them, but in some cases where they have slight differences in appearances it may be necessary for a DNA test to tell you for sure if they are identical or not.
Identical vs. Fraternal Twins
Identical twins come from one fertilized egg, called a zygote. The zygote, which usually develops into one child, grows and splits early in development to form two embryos—identical twins. Because the twins come from one egg and one sperm, they have exactly the same DNA.
Fraternal twins, on the other hand, develop when there are two different eggs in the mother’s womb that are fertilized by two different sperms. Fraternal twins will not have exactly the same DNA, although like other siblings, they can be expected to share some of the DNA they inherit from both parents.

MATERNITY TEST

A Maternity test is much like a paternity test. A maternity DNA test determines whether a woman could be the biological mother of a child. It compares a child’s DNA with that of the alleged mother to determine how likely it is that she is the biological mother. This type of test is most commonly used to prove biological relationships in an immigration case. It is also used to confirm that an adoptee has been reunited with his/her birth mother or to confirm that an embryo conceived through in vitro fertilization was implanted into the correct mother. Although uncommon, it can also resolve situations in which mothers or hospital staff suspect that a baby mix-up has occurred in the nursery.

GENETIC RECONSTRUCTION

This type of test is more complex but it is another indirect way to determine family relationship when the alleged father is deceased or is not available or unwilling for testing. In genetic reconstruction, a significant portion of the tested parties DNA will be analyzed to determine whether or not a child is related to the alleged father’s close relatives.
We will require for this test, the mother of the child, the child and two relatives of the alleged father such as two full siblings or one biological parent and one full sibling. Although each individual’s DNA profile is unique, close relatives will share a significant amount of DNA whereby a series of such shared DNA is analyzed reconstructing the hereditary nature of the DNA. Participation of the mother is required since she contributes 50% of the information being analyzed. If the child’s mother is not available, we can only perform the test with the participation of at least three close relatives of the alleged father.

PATERNAL RELATIVE COMPARISON (Y-STR) – (Y- Chromosome lineage DNA Testing)

Males have Y-chromosomes which are passed from father to son relatively unchanged through many generations. That is why this test is a good option when the alleged father is not available for testing and it can confirm whether or not a child shares a common paternal lineage. This test is used to determine if 2 or more males have a direct paternal connection (share the same Y-Chromosomes), such as a grandfather to a grandson or an uncle to his nephew as he would pass this Y-chromosome he inherited from his own father to his son (the child) and thereon.
As an example, if an alleged uncle or grandfather and a male child are tested, their Y-STR profiles must match to determine a direct paternal lineage. If they do not, then the alleged uncle or grandfather is excluded (not considered a biological uncle or grandfather) and the alleged father is probably not the biological father.
This test can also confirm a relationship to long-lost relatives and possible ancestors through the male/paternal line. This test option is not used to prove relationship in cases such as immigration.

MATERNAL RELATIVE COMPARISON  (MtDNA)

This test can confirm a direct maternal connection between 2 or more participants (male or female) whether you are looking for your mother or long-lost relatives. It is mostly used in situations where maternity maybe in question such as an adoption and the mother is not available for a maternity test. We can determine the child’s relationship by testing an alleged sister, a maternal aunt or uncle. This test will determine if the tested parties come from the same female/maternal line confirming the relationship.
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