Traits and Heredity: Dominant and Recessive Traits

Gregor Mendel discovered the principle of dominance and recessiveness, where one trait can mask another. In pea plants, tall height is a dominant trait over short height. This principle is encapsulated in the law of dominance, stating that dominant traits are expressed while recessive traits are hidden. This concept applies to many human traits, such as earlobe formation and tongue rolling. Mendel's work with pea plants led to significant genetic discoveries.

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