In humans,four phenotypes of blood groups are due to the presence of antigen-$A$ and antigen-$B$ on the $RBC$. The chromosome that carries the gene controlling these antigens is:
- A$X$-chromosome
- B$21^{\text{st}}$ chromosome
- C$9^{\text{th}}$ chromosome
- D$7^{\text{th}}$ chromosome
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Similar Questions
How many of the following genotypes possibly represent normal wings in Drosophila?
$(i)$ $Vg^{+} Vg^{+}$
(ii) $Vg^{+} vg^{ni}$
(iii) $Vg^{+} vg^{no}$
(iv) $Vg^{+} vg^{st}$
$(v)$ $Vg^{+} vg$
$(i)$ $Vg^{+} Vg^{+}$
(ii) $Vg^{+} vg^{ni}$
(iii) $Vg^{+} vg^{no}$
(iv) $Vg^{+} vg^{st}$
$(v)$ $Vg^{+} vg$
Sometimes,there are more than two alleles for a given chromosome locus. In this case,a trait is said to be governed by:
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View Solution$A$ child of $O$ blood group has a $B$ blood group father. The genotype of the father will be:
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View SolutionMultiple alleles are present:
MediumNEET 2015
View SolutionDetermine the number of possible phenotypes in the $ABO$ blood grouping system.
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