
What Is Genealogy
Family tree research isn't complete without genetic genealogy, so it's important to learn what genealogy is and it differs from ancestry and family history.

MD · MBA
Physician specializing in genetic analysis and personalized preventive medicine, and author of Outsmart Your Genes.
Brandon Colby is a physician-expert in the fields of genetic analysis and Personalized Preventive Medicine. He holds an MD from the Mount Sinai School of Medicine, an MBA from Stanford University's Graduate School of Business, and a degree in Genetics from the University of Michigan.
Dr. Colby is the author of the book Outsmart Your Genes and has developed numerous technologies that improve the analysis, interpretation, and actionability of genome sequencing data. He is an Affiliate Specialist of the American College of Medical Genetics and Genomics (ACMG), an Associate of the American College of Preventive Medicine (ACPM), and a member of the National Society of Genetic Counselors (NSGC).
Articles by Brandon Colby, MD are reviewed for accuracy by Sequencing's medical and scientific team. This page is for informational purposes and does not constitute medical advice.

Family tree research isn't complete without genetic genealogy, so it's important to learn what genealogy is and it differs from ancestry and family history.

Attention Parents: Genetic testing for your baby can identify risks for SIDS, autism and so much more. Click here to learn more about it.

Carriers of a recessive variant can learn their risk before conceiving; ACOG advises offering screening for cystic fibrosis and spinal muscular atrophy.

Most people do not truly know what a DNA test is, so we decided to explain what it is so you can have a better idea of what you're buying. Read now to learn about DNA tests.

What diseases could your child inherit? Learn about genetic disorders in children decide if you should seek genetic testing.

Trisomy 21 screening begins around 10 weeks with a blood test and ultrasound, followed if needed by triple or quad screens and by amniocentesis, CVS or PUBS.

If you don't know what whole genome sequencing is, you're missing out on the opportunity to discover more than standard DNA tests share. Learn about whole genome sequencing here.

Screening a developing fetus can flag cystic fibrosis, Down syndrome, trisomy 18 and trisomy 13; carrier testing of either parent guides what comes next.