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About the 23andMe Personal Genome Service

The 23andMe Personal Genome Service is a comprehensive genetic scan of a subset of the SNPs (single nucleotide polymorphisms) in your genome which correspond to the SNP data being studied by the research community. Individuals provide saliva samples which are analyzed by our CLIA-certified laboratory, and the results are returned to your online account in approximately 6-8 weeks.

What reports are available if I purchase today?

The 23andMe Personal Genome Service now includes reports that meet FDA standards for being scientifically and clinically valid. New customers will receive personalized genetic health reports that include carrier status*, wellness, and trait reports. The service also includes access to interactive tools to share and compare with friends and family.

*Our tests can be used to determine carrier status in adults, but cannot determine if you have two copies of the genetic variant. Each test is most relevant for people of certain ethnicities. The tests are not intended to diagnose a disease, or tell you anything about your risk for developing a disease in the future. On their own, carrier status tests are not intended to tell you anything about the health of your fetus, or your newborn child's risk of developing a particular disease later in life.

What type of DNA analysis does 23andMe do?

Our genomes contain all of the instructions for making every cell in our body and are nearly identical from person to person, but there are specific positions in the genome that are known to vary between individuals. (For example, one person might have the DNA letter C at one location where another person has a T.)  23andMe analyzes your DNA by looking at these genetic variants. We determine what version each person has for the genetic variants we test for using a process called genotyping. These variants are often associated with ancestry, health conditions and traits, and new associations are being discovered every day.

What technology is used for the analysis?

23andMe analyzes your DNA using the Illumina OmniExpress Plus Genotyping BeadChip. In addition to the variants already included on the chip by Illumina, we’ve included our own, customized set of variants relating to conditions and traits that are of special interest to our researchers and our customers. Technical information on the performance of the chip can be found on Illumina's website, and you can also learn more about the how 23andMe genotypes your DNA.

What type of sample can 23andMe analyze?

The 23andMe personal genetic analysis can only be performed using a saliva sample collected using the saliva kit that we include with your order. The saliva sample collected is ~2 ml. Unfortunately, we are unable to analyze any other type of sample.

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