DOE Genomes
Human Genome Project Information  Genomics:GTL  DOE Microbial Genomics  home
-

Genome Glossary and Acronyms

X

X chromosome

One of the two sex chromosomes, X and Y.
See also: Y chromosome,sex chromosome

Xenograft

Tissue or organs from an individual of one species transplanted into or grafted onto an organism of another species, genus, or family. A common example is the use of pig heart valves in humans.

Updated 26-Apr-07