HomeTestsSearchRankProfile
mediumMCQBiologyBiology
1 mark

A gene showing codominance has:

  1. A
    Both alleles independently expressed in the heterozygote
  2. B
    One allele dominant on the other
  3. C
    Alleles tightly linked on the same chromosome
  4. D
    Alleles that are recessive to each other

Solution & Step-by-step Explanation

In codominance, both alleles of a gene pair in a heterozygote are fully and independently expressed. A classic example is the AB blood group in humans ().

Practice this question

Try it yourself before checking the explanation above.

A gene showing codominance has:
A
Both alleles independently expressed in the heterozygote
B
One allele dominant on the other
C
Alleles tightly linked on the same chromosome
D
Alleles that are recessive to each other

Share This Question

geneticscodominance

Related Questions

mediumMCQ

The main organelle involved in modification and routing of newly synthesized proteins to their destinations is :

mediumMCQ

There are two opposing views about origin of Modern man. According to one view Homo erectus in Asia were the ancestors of modern man. A study of variations of DNA however suggested African origin of Modern man. What kind of observation on DNA variation could suggest this ?

easyMCQ

The world's highly prized wool yielding 'Pashmina' breed is :

mediumMCQ

Grey crescent is the area :

mediumMCQ

Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because :

mediumMCQ

There exists a close association between the alga and the fungus within a lichen. The fungus :

Ready for a Full Test?

Practice with timed mock tests and track your performance across Biology.

Browse TestsLeaderboard

Discussion