When does an embryo begin differentiating its cells?
Understand the Problem
The question is asking when an embryo starts to differentiate its cells during development, which pertains to developmental biology.
Answer
When it reaches 18 days of development.
The embryo begins differentiating its cells during the third week after fertilization.
Answer for screen readers
The embryo begins differentiating its cells during the third week after fertilization.
More Information
Embryonic cell differentiation typically starts during the third week of development, which aligns with option C, 18 days.
Sources
- Embryo Growth and Development - LibreTexts - bio.libretexts.org
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