Question

How has biotechnology helped in
improving the crop varieties?

Answer 1

Answer:

The application of biotechnology to AGRICULTURALLY important crop species has traditionally involved the use of selective breeding to bring about an exchange of genetic material between two parent plants to produce offspring having desired traits such as increased yields , disease resistance , and enhanced product.

hope this helps uh....!

@Rajula Ravalika

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Answer 2

Answer;

Mitochondria - Albert von Kolliker studied mitochondria in muscle cell in 1857; Richard Altmann first recognized them as cell organelle in 1894; Term "mitochondria' coined by Carl Benda in 1898