Definition of Heterozygous

Heterozygous: Possessing two different forms of a particular gene, one inherited from each parent. A person who is heterozygous is called a heterozygote or a gene carrier.

Heterozygous is in contrast to homozygous, the possession of two identical copies of the same gene.

Drug Medical Dictionary of Terms by Letter

• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
• N
• O
• P
• Q
• R
• S
• T
• U
• V
• W
• X
• Y
• Z

Medical Dictionary Term: