Question

what is selective breeding?

Answer 1

hey mate here is your answer..
Selective breeding is the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits by choosing which typically animal or plant males and females ... 
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hope it will help you my dear friend.

Answer 2

the intensionsal breeding of organisms with desirable trait in an attemt to produce offspring with similar desirable characteristics or with improved traits supplement...
it is a process by which humans use animal breeding or plant breeding to selectively develop particular pheynotypic traits by choosing which typically animal or plant male and females