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Question
Hybrids are usually superior to their parents. This phenomenon is called ______.
Options
Hybrid depression
Inbreeding depression
Heterosis
Transgenesis
MCQ
Fill in the Blanks
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Solution
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).
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