Which of these has led to the production of most modern domesticated crops and livestock?

A. natural selection

B. selective breeding

C. extinction

D. acquired characteristics

Most modern crops and livestocks have have been altered by us using selective breeding to get crops and livestock that have better traits

Selective breeding has been the new brand of technology of raising crops and livestock to control certain characteristics. One example is the GMO which are types of plants which have super-characteristics that are genetically modified to fight through diseases and designed to have greater yield