Home
Class 12
BIOLOGY
Assertion :- There are six different com...

Assertion :- There are six different combinantons or genotypes of the human ABO blood types.
Reason :- The gene (I) has three alleles `I^(A), I^(B) and I^(0)`

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.

B

If both Assertion & Reason are trur but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is Flase.

D

If both Assertion & Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

ABO blood group is determined by gene I which has _____ alleles.

The three different alleles of human ABO blood types woll produce how many genotypes & phenotypes respectively-

Assertion : Starch synthesis in pea seeds is controlled by one gene. Reason: This gene has two alleles (B and b)

Assertion (A) : ABO blood group in human being is an example of multiple allelism. Reason ( R): It has three alleles for the gene 1 i.e. I_(A),I_(B),i .

Assertion : In a person with AB blood group, the erthrocyes carry both A and B antigenes on their surface. Reason : The allels I^(A) and I^(B) , that produe AB blood group, are codominant and both are expressed.

Assertion :- The gene I codes for the repressor of the lac operon. Reason : The y-gene codes for permease, which increases permeability of the cell to beta -galactosidase.

ABO blood group is determined by three different alleles. How many genotypes and phenotypes are possible?