Choose the correct answers from the alternatives given.
In humans, the placenta develops from the chorion. This indicates that human development

resembles that of the chick

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is dependent upon extraembryonic membranes

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cannot be compared to lower animals

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begins only upon implanation

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Solution

The correct option is B is dependent upon extraembryonic membranes
The placenta functions as a fetomaternal organ with two components: the fetal placenta (Chorion frondosum), which develops from the same blastocyst that forms the fetus, and the maternal placenta (Decidua basalis), which develops from the maternal uterine tissue
So, the correct answer is 'is dependent upon extra embryonic membranes'

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