List and Describe Two Significant Events in the History of Genetics

question 52

Essay

List and describe two significant events in the history of genetics that occurred during the twentieth century.

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Definitions:

Universal Generalization

Universal generalization is a logical principle that allows one to infer that something is true for all members of a class from its being true for every observed member.

Quantifier Negation

The process of negating the quantifier in a logical expression, changing its scope or applying negation to the predicate instead.

Existential Generalization

A logical inference saying that if something is true for at least one member of a class, then it can be generalized to the class.

Universal Instantiation

A logical rule of inference that allows for the substitution of specific individual instances for universally quantified variables within a statement.