HomeTestsSearchRankProfile
mediumMCQBiologyBiology
4 attempts0% success rate1 mark

When two unrelated individuals or lines are crossed, the performance of hybrid is often superior to both its parents. This phenomenon is called:

  1. A
    Metamorphosis
  2. B
    Heterosis
  3. C
    Transformation
  4. D
    Splicing

Solution & Step-by-step Explanation

Heterosis, also known as hybrid vigour, refers to the improved or increased function of any biological quality in a hybrid offspring relative to its parents.

Practice this question

Try it yourself before checking the explanation above.

When two unrelated individuals or lines are crossed, the performance of hybrid is often superior to both its parents. This phenomenon is called:
A
Metamorphosis
B
Heterosis
C
Transformation
D
Splicing

Share This Question

Strategies for Enhancement

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