selective breeding

• • Scientific understanding that pehnotypci traits inheritable can be selected and improved over time→ played role in agricultural as farmers have selected desired traits and interbreed plants/animals with these traits
• • Led to improvement in quantity and quality of agriucltural products
• • 4 basic steps applying selective breeding
  • Determine desired trait
  • Interbreed parents showing desired trait
  • Select offspring with best form of trait and interbeed these offspring
  • Continue this process until population reliably reprroduces desired traits