A) It is inherited by complete dominant allele
B) It is inherited by complete recessive allele
C) It is inherited by codominant allele
D) It is inherited by single gene with more than two alleles
Correct Answer: C
Solution :
Human blood type is determined by codominant alleles. It is inherited by single gene (present on autosome) with more than two alleles. Since, there are three different alleles, there are a total of 6 different genotypes at the human ABO genetic locus.| Genes | Blood Group |
| \[{{l}^{A}}{{l}^{A}}\] | Blood group A |
| \[{{l}^{A}}{{l}^{B}}\] | Blood group AB |
| \[{{l}^{A}}i\] | Blood group A |
| \[{{l}^{B}}{{l}^{B}}\] | Blood group B |
| \[{{l}^{B}}i\] | Blood group B |
| \[ii\] | Blood group 0 |
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