Class 12 Biology Principles of Inheritance and Variation Multiple alleles

Medium

$ABO$ blood groups in humans are controlled by the gene $I$. It has three alleles: $I^A, I^B$ and $i$. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?

AIPMT 2010 All AIPMT

A
Three
B
One
C
Four
D
Two

Explore More

Browse All

Question Bank

All Subjects

Class 12 Questions

Class 12

Biology Questions

Chapter

Principles of Inheritance and Variation

Subtopic

Multiple alleles

Previous Year

AIPMT 2010 Paper All AIPMT years →

Similar Questions

The gene $I$ that controls the $ABO$ blood grouping produces antigens on the surface of red blood cells. What are these antigens made of?

Medium

What are the possible blood groups of children born to parents with blood groups $A$ and $AB$?

Medium

What does a gamete contain in a multiple allele system?

Medium

The number of phenotypes in $ABO$ blood group is

Medium

$A$ pair of contrasting characters is termed as

Medium

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial

For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.