Explanation:
Blood Group O is known as universal donor because In Blood group O Antigen is absent. So,It is a universal donor.
Genotype of blood group O -
- [tex] \sf{ {I}^{O} {I}^{O} }[/tex]
Additional information -
Genotype of blood group A -
- [tex] \sf{ {I}^{A} {I}^{A} \: \bold{or} \: {I}^{A} {I}^{O} }[/tex]
Genotype of blood group B -
- [tex] \sf{ {I}^{B} {I}^{B} \: \bold{or} \: {I}^{B} {I}^{O} }[/tex]
Genotype of blood group AB -
- [tex] \sf{ {I}^{A} {I}^{B} }[/tex]
