Presented by Kathryn “Kathy” Johnston, M.D. 

Speaker will present remotely / Presentation will be recorded

What is crossover recombination and why is it so important to understand in 2023? In this presentation, Kathy will discuss how crossover recombination works at the chromosome level from a genetic genealogist's perspective. Find out how your unique DNA combinations are packaged inside the chromosome. Learn about some of the practical uses when working with autosomal and X DNA.

The DNA Interest Group is a partnership program between Carlsbad City Library and the North San Diego County Genealogical Society. This program is designed to educate and inform people about the use of DNA testing for genealogical purposes through lectures on DNA. The DNA Interest Group is open to people who have all levels of computer and genealogy experience.

The program is held the third Saturday of the month from January through November and is presented in person and virtually.

• Doors open at 12:30 p.m. for social time.
• Presentations, including question-and-answer sessions, are held from 1 p.m. to 2:30 p.m.
• Breakout discussions and individualized help is usually available until 3 p.m.