Y DNA Testing Kit

y chromosome dna testing

What is a Y STR DNA Test?

The Y chromosome is only present in males and is passed down from father to son. Because of this, the Y STR DNA test is used to determine a man’s patrilineal line or lineage. This test can be used for genealogical family purposes, as well as for identifying men in cases of paternity disputes or crime scene investigations.


The Y STR DNA test looks at the short tandem repeats (STRs) on the Y chromosome. These STRs are highly variable, which means that they can change from generation to generation. Below is a brief overview of how the Home Y DNA test kit process works or you can contact our office at 866-205-8356 for more information regarding this testing option.

How does the process work?

The process is simple.

Order your home DNA test kit online by phone.

  1. After you purchase your kit. Your kit will be shipped out to your home.
  2. Upon receipt of your kit, follow the enclosed instructions on how to collect your samples. 
  3. Place samples back into the prepaid return shipping envelope going back to the lab.
  4. Once the lab receives all genetic samples involved with your test. please allow 5 to 7 business days for testing to be completed.
  5. Upon completion. A copy of your result will be mailed to your home and another copy will be emailed to you the same day.

Frequently Asked Questions

What is the cost of Home Y-STR Testing?

The starting price of a Y STR DNA Test is $399.99 and up.

How long does Y-Chromosome testing take?

Results for Y STR DNA Tests are completed in 5 business days.

How much DNA do father and son share?

No, fathers and sons do not have the same DNA. A son inherits 50% percent of DNA from his fathers and 50% from his mother.

Although they may share some similarities, there are enough differences to make them unique individuals. A father and son may share the same hair color, eye color, or even height, but they will also have their own unique set of DNA.

How many genetic markers are used for Y-DNA tests?

Y-DNA testing services we provide are tested on 20-24 genetic markers.

Can a mother and daughter perform a Y-Chromosome DNA test?

No. Females have XX chromosomes and males have XY chromosomes. Since women do not have 

Do men only have the Y Chromosome?

Yes. The paternal line passes on the Y chromosome from great grandfather to grandfather to father and to son. Remember, a female cannot pass on the Y chromosome, only a male can get the gene from father to son.

Is DNA relationship testing the same as ancestry testing?

No. DNA relationship testing helps to determine biological relationships between father and child, between siblings or grandfather and grandson just to name a few.

Ancestry testing helps to determine if a person or people share a common ancestral lineage in either the maternal or paternal line.

The Benefits of Y-DNA Testing for Understanding Your Family History

Y-DNA testing is a powerful tool for understanding and determining a common paternal family history/lineage. By testing the Y-chromosome, which is passed down from father to son, you can trace your direct paternal line back in time. This can be especially helpful if you have a common surname, as it can help you connect with other people who share your surname and ancestor. Y-DNA testing can also help you identify new relatives, learn more about your ethnic origins, and confirm family stories.

If you would like to perform a Y DNA test, do not hesitate to contact our office at 866-205-8356 to order by phone or for more information on how the process works.

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Y Chromosome Test