Skip to content
National Cancer Institute
at the National Institutes of Health
Send to Printer
NCI Dictionary of Genetics Terms
Starts with
Contains
#
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
All
homozygous genotype
(HOH-moh-ZY-gus JEE-noh-tipe)
Occurs when both alleles at a particular gene locus are the same. A person may be homozygous for the normal allele or for a mutation.
More Information
Homozygous