Some were round — not the oval you see today. Selective breeding has made the spines disappear from modern eggplants. Wild corn was dry as a raw potato. Modern corn was first domesticated 8,000 ...

They are commonly cereals, fruit and vegetables. We can change (or modify) crops in two key ways - selective breeding and genetic modification. A common example of genetic modification involves ...

Perhaps the most iconic example of selective breeding is North American sweetcorn, which was bred from the barely edible teosinte plant. Natural corn, shown here, was first domesticated in 7,000 ...