Multiple choice

Superiority of hybrid over parents is

  1. heterosis

  2. gigantism

  3. dwarfism

  4. lethality

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

It is the increase in such properties as size, growth rate, fertility, and yield of a hybrid organism over those of its parents. Plant and animal breeders use heterosis by mating two different pure-bred lines that have certain desirable traits.