
A
Admixture: A type of genetic test that is supposed to reveal how much of a person’s DNA is descended from different populations or races.
Adoption: DNA testing can be useful for adoptive parents, and for adoptees. Read more…
Alternative splicing: Scientists used to think that each gene coded for one protein. Now we know that some genes can be spliced in many different ways. Read more…
Ancestor: A person you are descended from. Read more…
B
C
chimera: [From Wikipedia] An animal whose body contains two sets of cells that are not genetically identical. Chimeras are formed from four parent cells (two fertilized eggs or early embryos fused together) or from three parent cells (a fertilized egg is fused with an unfertilized egg or a fertilized egg is fused with an extra sperm). Read more… [compare with mosaicism]
E
F
G
H
I
J
K
L
M
Mosaicism: [From Wikipedia] A condition where an animal’s body contains two sets of cells that are not genetically identical. Mosaicism results from a mutation during development which is propagated to only some of the adult cells. [compare with chimera]
N
O
P
Q
R
Race: Do human races exist? Read more…
S
T
U
V
W
X
Y
Z