A) introduction
B) selection
C) hybridized progeny
D) hybrid vigour
Correct Answer: D
Solution :
Outbreeding usually takes place between members of different varities or strains and in certain plants of closely related species. The progeny is known as hybrid. When the hybrid has phenotypes showing characteristics which are superior to either of the parental stock. This phenomenon is known as hybrid vigour or heterosis by Shull. Selection is oldest procedure of crop improvement and during this process individual plants (pure line selection) or groups of plants (mass selection) are sorted out from the mixed populations.
You need to login to perform this action.
You will be redirected in
3 sec
