Chromosomes - Genetics Home Reference

Chromosomes - Genetics Home Reference

Chromosomes

Information about specific chromosomes

Genetics Home Reference provides information about each of the 23 pairs of human chromosomes.

• 1 
 
• 2 
 
• 3 
 
• 4 
 
• 5 
 
• 6 
 
• 7 
 
• 8 
 
• 9 
 
• 10 
 
• 11 
 
• 12 
 
• 13 
 
• 14 
 
• 15 
 
• 16 
 
• 17 
 
• 18 
 
• 19 
 
• 20 
 
• 21 
 
• 22 
 
• X 
 
• Y 

Genetics Home Reference also provides information about mitochondrial DNA.

General information about chromosomes

The Handbook provides basic information about genetics in clear language.

• What is DNA?
• What is a chromosome?
• How many chromosomes do people have?
• Can changes in chromosomes affect health and development?
• What is mitochondrial DNA?
• Can changes in mitochondrial DNA affect health and development?