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Do some mammals have yolk sacs?

Updated: 8/18/2019
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13y ago

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Yes, mammals have yolk sacs. Although they may not be as easily noticeable as the yolk in a chicken egg, it is still there. The yolk contains proteins and fats needed for the embryos further development.

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13y ago
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Q: Do some mammals have yolk sacs?
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yes


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