Additionally, they differ genetically and in the shapes of the gonopods of the males.

(Identical twins do not differ genetically, so their tissues are immunologically indistinguishable and there is no stimulus to an immune reaction.)

Blood types are characterized by certain complex sugars, with the types differing genetically.

Arenaviruses can be divided into two serogroups, which differ genetically and by geographical distribution:

Gerp's mouse lemur differed genetically and physically from all of its nearest neighboring mouse lemur species.

The results show that the Cronobacter bacteria differ genetically, suggesting that they are not related.

H.I.V. strains that are transmitted in various areas of the world differ genetically and are divided into subtypes.

Because homologous chromosomes usually differ genetically, gametes usually differ genetically from one another.

Pediatric follicular lymphoma is a disease that differs from the adult counterpart genetically and clinically.

The fetus inside a pregnant woman may be viewed as an unusually successful allograft, since it genetically differs from the woman.