HORTICULTURE

Detailed explanation-1: -In Mesopotamia, Sumerians use yeast-a type of fungus-to make beer and wine. Farming communities in existence. Egyptians use yeast to make bread rise.

Detailed explanation-2: -The oldest fermentation was used to make beer in Sumeria and Babylonia as early as 7, 000BCE. By 4, 000BCE, Egyptians used yeasts to bake leavened bread. Another ancient product of fermentation was wine, made in Assyria as early as 3, 500BCE. The Chinese developed fermentation techniques for brewing and cheese making.

Detailed explanation-3: -However, modern biotechnology involving genetic engineering and cell manipulation, has been with us for roughly four decades. It was kickstarted in 1973, when scientists first genetically engineered Escherichia coli bacteria to introduce a foreign gene that made them resistant to an antibiotic.