It was just mysteries inside mysteries inside mysteries, like a Russian doll of family secrets. “Every time I step around a ...

The pedigree analysis diagram is used to show the relationship within an extended family; males are indicated by squares females are represented by circles affected individuals are red unaffected ...

An curved arrow pointing right. Figuring out how exactly you're related to the people in your extended family can be surprisingly tricky. Follow BI Video: On Twitter More from Lifestyle Figuring ...