Why Do I Need to Know about Y-DNA for My Testing?

As you get ready for family reunions and other events this summer, are you growing curious about your genetics?

Whether you’re just beginning your ancestry research or you have been delving into your family records for a while, it’s important that you understand the basics of DNA.

Explore Y-DNA with Test Smartly Labs, and learn how DNA testing can provide information gleaned from your Y-DNA.

What is Y-DNA?

Sex Chromosomes

We receive DNA from our parents upon conception: 23 chromosomes from our father and 23 chromosomes from our mother.

The 23rd chromosome received from each parent is called the “sex chromosome” because it determines our sex. Mothers will always provide an X chromosome because women have XX pairings, while fathers provide either an X or a Y chromosome because men have XY pairings. A Y chromosome from your father means you’re genetically male; an X chromosome from your father means you’re genetically female.

Y-DNA Tests

Because sons inherit the Y chromosome from their fathers, Y-DNA testing can be used to trace a family’s direct male line, which means that families can follow their lineage from son to father to grandfather to great-grandfather and so on.

Y-DNA testing can be used to:

  • Confirm biological relationships between fathers and sons
  • Pinpoint certain branches in the family tree
  • Identify possible mutations in Y chromosome markers
  • Confirm recorded genealogical history
  • Estimate a person’s haplogroup
  • Determine if two family trees with the same or similar last names are related

Can I Get Y-DNA Testing?

Since only men have the Y chromosome, only men are eligible for Y-DNA testing. Ladies, if you’re looking for more information on your patrilineal history, you can ask your brother, father, uncle, or grandfather to provide a DNA sample. Learn more about your family than you ever thought possible with Y-DNA testing!

Test Smartly Labs provides accurate, confidential DNA tests. To learn more about our DNA Testing Services, contact Test Smartly Labs today at (816) 800-9699. We have five lab locations in the greater Kansas City area!

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