What refers to how certain traits in living organisms are handed down from parents to offsprings?

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Inheritance refers to the process by which traits are passed from parents to their offspring. Genetics is the study of genes and heredity, focusing on how traits are inherited, while a gene is a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring. Temperament refers to the aspects of an individual's personality, like introversion or extroversion, which are often considered innate rather than learned.

What Refers to How Certain Traits in Living Organisms Are