paternity testing
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DNA testing

GRANDPARENT TO GRANDCHILD DNA TESTING

(Click Here to Order a Free Collection and Information Kit for Grandparent to Grandchild testing)
There are 3 major testing options for Grandparent to Grandchild testing

DNA testing for grandparents and grandchildren

 
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  • To establish whether or not particular grandparents and grandchildren are biologically related
  • Grandfather to grandson – Y Chromosome Test
    Men have one Y chromosome, which is passed down to their son and then to their grandson. So testing the Y chromosome will show us If the grandfather and grandson are biologically related.
  • Grandmother to granddaughter – X Chromosome Test
    The flow of X chromosome from mother to son to granddaughter means an X chromosome test is more applicable
  • Other possibilities
    We can also test other regions of DNA other than X and Y in specific circumstances where the flow of either X or Y DNA is not applicable. A table with the grandparent to grandchild relationships is listed with the cost of each test.
 
Testing for paternity of a grandchild with a grandparent.
Cost
Must also have
Better with
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Grandfather to Grandson
(Y chromsome test)
*
£199
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Grandfather to Granddaughter
£379
Grandmother or Mother's DNA
both Grandmother and Mother's DNA
Grandmother to Grandson
£379
Grandfather or Mother's DNA
both Grandfather and Mother's DNA
Grandmother to Granddaughter
(X chromosome test)*
£229
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Mother's DNA


*About Y chromosome DNA testing

To establish whether or not a grandfather and grandson are biologically related, Y-chromosome testing is your least expensive option, nevertheless obtaining a very high accuracy (99.9%+).

Every man has one Y chromosome (women have no Y chromosome). A father passes his Y chromosome to all his sons. Therefore a grandfather and grandson, if biologically related, will have the same Y chromosome DNA patterns.

*About X chromosome tests:

To establish whether or not a grandmother and granddaughter are biologically related, X-chromosome testing is your least expensive option, nevertheless obtaining very high accuracy (99.9%+).

A grandmother will pass one of her X chromosomes to her son who will, in turn, pass that X chromosome on to his daughter. Therefore a grandmother and granddaughter, if biologically related, will have exactly the same X chromosome patterns.
Click to order a FREE Grandparent to Grandchild information and collection KIT
 
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