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This tutorial presents the benefits and the possible adverse eventualities of genetic engineering. Know more about this ..
Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..