Genetic variations of traits in a population increase or decrease some individuals' probability of surviving and reproducing in a specific environment. Natural selection leads to the predominance of certain traits in a population and the suppression of others.
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Gregor Mendel was a scientist born in the Austrian Empire in 1822. He
conducted pea plant experiments and established many of the rules of
heredity. He was explaining the significance of invisible factors ( now
called genes ) for the inheritance. He also experimented with hawkweed
and honeybees. Mendel is referred to as "The Father of Genetics".
Answer: Genetics.
