The Two Weeks Following Fertilization Are Considered a Critical Period

question 75

True/False

The two weeks following fertilization are considered a critical period developmentally for the zygote.

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Definitions:

Theory

A set of related assumptions from which testable hypotheses can be drawn.

Psychology

The scientific study of the human mind and its functions, especially those affecting behavior in a given context.

Useful Theory

A framework or system of ideas that provides significant explanatory power or practical guidance in a certain field.

Ex Post Facto Study

A research design where investigators retrospectively examine the effect of a variable on a group, without the ability to manipulate the variable.