What is it?
What causes it?
How is it inherited?
How is it diagnosed?
How is it treated?
What is it like to have it?
For more information...
Acknowledgments
Concept 8
: Sex cells have one set of chromosomes; body cells have two.
Learn how sex cells are made through the process of meiosis.
Concept 10
: Chromosomes carry genes.
Find out how genes are arranged on chromosomes.
