The balance seems to be shifting at Bayer AG. By buying Monsanto Co., the German company would see its crop-science unit surpass pharmaceuticals in sales. The health-care business generated about 44 percent of sales last year, more than any other Bayer division.

Watch Next: Will Bayer's $56.5 Billion Offer Woo Monsanto?

Will Bayer's $56.5 Billion Offer Woo Monsanto?

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