Name one similarity and one difference between cystic fibrosis and down syndrome.

Similarity : Cystic Fibrosis and Down's Syndrome are both autosomal recessive, which means they are genetic and carried by one or both of our parents, but aren't shown in our parents.

Difference : Cystic Fibrosis has a different frequency in different ethnicities, while Down Syndrome is completely up to chance. Also, Cystic Fibrosis causes death, typically in early infancy, and people with Down Syndrome are able to live full, happy lives.