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Explain the Bi-Directionality Hypothesis

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Explain the bi-directionality hypothesis.


Definitions:

Pregnancy

The condition of having a developing embryo or fetus in the body, typically in the womb, that results after fertilization of an egg by a sperm.

Midpiece

The segment of a spermatozoon between the head and the tail, containing mitochondria to power movement.

Meiosis

Nuclear division process required for sexual reproduction. Two nuclear divisions, meiosis I and II, halve the chromosome number for forthcoming gametes.

ATP

Adenosine triphosphate, a high-energy molecule that stores and transfers energy within cells, enabling various biochemical processes.

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