According to Bernstein’s theory, two law of inheritance have been
proved. It is not possible that an offspring can possess antigen A, B or both
unless it is inherited from one or both parent.
proved. It is not possible that an offspring can possess antigen A, B or both
unless it is inherited from one or both parent.
Figure I shows the possible A, B, O phenotypes of offspring (Baker, et
al, 2001).
al, 2001).
A parent of blood group AB cannot produce an offspring of group O.
Similarly a parent of group O cannot produce AB offspring the reason for this
law is that group AB is heterozygous, and therefore A and B genes must come
from the parent.
Similarly a parent of group O cannot produce AB offspring the reason for this
law is that group AB is heterozygous, and therefore A and B genes must come
from the parent.