Question Detail

BIO 101 Embryonic development and birth Objective Question
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Question

What nourishes the embryo before implantation?
Options
A Placenta
B Umbilical cord
C Yolk sac
D Uterine secretions
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

Before implantation, the embryo floats free in the uterus and uses uterine secretions for nourishment.

Hint

This occurs after it enters the uterus at the 16-cell state.

Question Info

Course: BIO 101
Topic: Embryonic development and birth
Type: Objective
Difficulty: Not specified
Question 598 of 2556
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