Chromosomes & mtDNA - Genetics Home Reference

Chromosomes & mtDNA - Genetics Home Reference

Learn More about Chromosomes & mtDNA

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

Chromosomes & mtDNA

Read about the 23 pairs of human chromosomes and the health implications of changes in their number or structure. Also find out about mitochondrial DNA (mtDNA) and how changes in this genetic information can affect health.

Information about specific chromosomes

• chromosome1
• chromosome2
• chromosome3
• chromosome4
• chromosome5
• chromosome6
• chromosome7
• chromosome8
• chromosome9
• chromosome10
• chromosome11
• chromosome12
• chromosome13
• chromosome14
• chromosome15
• chromosome16
• chromosome17
• chromosome18
• chromosome19
• chromosome20
• chromosome21
• chromosome22
• chromosomeX
• chromosomeY

Information about mtDNA