If the Dorsal Lip of the Blastopore Is Transplanted from One

question 123

Multiple Choice

If the dorsal lip of the blastopore is transplanted from one frog gastrula onto a second frog gastrula on the opposite side from the embryo's original blastopore, which result is the most likely?

• A) A belly piece will form.
• B) Gastrulation will cease.
• C) A second complete embryo will form belly-to-belly with the recipient of the transplant.
• D) The transplant will be rejected.
• E) Only half an embryo will develop at the site of transplantation.

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