Chromosomes and Inheritance
To "read" a set of chromosomes, scientists look for key features to identify their similarities and differences.
Try your hand at organizing a profile of human chromosomes.
Certain genetic disorders can be diagnosed by looking at a person's chromosomes.
Inherited DNA and Chromosomes
DNA analysis can help build the family tree.
Each type of DNA has its own inheritance pattern.
Learn more about how we inherit this random mix of ancestral DNA.
See how the X chromosome represents some, but not all, ancestors.
Follow Y chromosome DNA as it moves through the paternal line.
Watch how mitochondrial DNA moves through the maternal line.