There are two types of probability distribution which are used for different purposes and various types of the data generation process.

a. Normal or Cumulative Probability Distribution

b. Binomial or Discrete Probability Distribution

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#Unit 5. Developmental Biology

Cortical granule protein hyalin, forms a coating around the egg.

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#Unit 5. Developmental Biology

Mammalian fertilization occurs inside the oviducts  of the female

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#Unit 5. Developmental Biology

Translocation of sperm from the vagina to the oviduct involves several processes that work at different times and places:

Sperm motility

Uterine muscle contractions

Sperm rheotaxis

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#Unit 5. Developmental Biology

Sperm rheotaxis 

migrate against the direction of the flow—using

CatSper calcium channels (like sea urchin sperm) to sense calcium influx and monitor the direction of the

current

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#Unit 5. Developmental Biology

The cells of the oviduct induce the sperm to mature, and mammalian sperm complete their development in the female oviducts. This maturation is called capacitation (the gaining of capacity).

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#Unit 5. Developmental Biology

The capacities the sperm gain are those for:

recognizing the cues that will guide them to the egg

undergoing the acrosome reaction

fusing with the egg cell membrane