Lesson: Fertilization and Pregnancy Biology • Third Year of Secondary School

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In this lesson, we will learn how to describe the process of fertilization and subsequent embryo development, including an outline of how twins may form.

Lesson Plan

Students will be able to

describe how fertilization occurs,
recall the events that occur when a female becomes pregnant,
outline the stages of embryonic development,
explain the importance of embryonic membranes and the placenta,
outline how dizygotic and monozygotic twins can be produced.

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