Question

Hybrids are usually superior to their parents. This phenomenon is called ______.

विकल्प

• Hybrid depression

• Inbreeding depression

• Heterosis

• Transgenesis

Answer 1

Hybrids are usually superior to their parents. This phenomenon is called heterosis.

Explanation:

Hybrids often show better vigour, yield or other traits than both parents; this superiority of F₁ hybrids over their parents is called heterosis (or hybrid vigour).