Definition of hybrid vigour in English:

hybrid vigour

Line breaks: hy¦brid vig¦our

noun

[mass noun] Genetics
The tendency of a cross-bred individual to show qualities superior to those of both parents. Also called heterosis.
More example sentences
  • The molecular basis of hybrid vigor has remained unknown despite the importance of this phenomenon in evolution and in practical breeding programs.
  • The causes of inbreeding depression and the converse phenomenon of heterosis or hybrid vigor remain poorly understood despite their scientific and agricultural importance.
  • Utilization of hybrid vigor or heterosis has been successful in cross-pollinated crops, of which maize is a primary example.

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