"Degree relatives" refers to family members who are related to each other based on a specific number of generations, such as parents, siblings, or cousins. It helps define how closely related people are within a family tree. Full definition
If you have a first - degree relative with celiac disease, you have about a 10 % chance of developing it. (health.com)
In contrast, low - risk infants had no first, second, or third degree relatives with autism. (sciencedaily.com)
The more relatives you have with an autoimmune condition, the higher your risk is, especially when it's a first - degree relative such as a parent or sibling. (mindbodygreen.com)