MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

What Are Alleles

If allele "i/...

Question

If allele "i/Io" is recessive in nature, then why do most people in the world have blood group O?

Open in App

Solution

Dear student,

The gene for blood type O is recessive, but because it is the ancestral form, it is more common. If the parents are having an A or B blood type, the child can still be with O blood type.

Regards

Suggest Corrections

thumbs-up

0

Similar questions

Q. In blood group typing in human, if an allele contributed by one parent is

I^{A}

and an allele contributed by the other parent is

i

, the resulting blood group of the offspring will be

The gene I that determines ABO blood groups has three alleles $I^{A}, I^{B} a n d I^{O}$ . The correct sequence of dominance of these alleles is

Q. In the ABO blood groups inheritance, the A and B alleles are co-dominant, and O is recessive to both the A and B alleles. If a man with type B blood and a woman with type A blood marry, the phenotype of their children could be

Q. In a particular population, if the frequency of the recessive allele is 0.6 then the frequency of dominant allele is

Q. Which of the following is true for dominant and recessive relationship of allele is case of human blood groups?
(Here ' >' represents dominance over other and '=' represents co-dominance)

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

BIOLOGY

Watch in App

explore_more_icon

Explore more

What Are Alleles

Standard XII Biology

Join BYJU'S Learning Program

CrossIcon