Meaning of AUTOSOMAL DOMINANT

Biology Dictionary
	Definition:		This is a type of genetic inheritance; a person who carries the gene on one allele will express (experience effects from) that gene. An autosomal dominant gene can be inherited from a single affected parent; both sons and daughters have an equal chance of inheriting the gene.
Glossary
	Definition:		A gene on one of the non-sex chromosomes that is always expressed, even if only one copy is present. The chance of passing the gene to offspring is 50% for each pregnancy.