Use the following information to answer the next few questions.
In a study of the development of frog embryos, researchers stained several early gastrulas with vital dyes and noted the locations of the dyes after gastrulation. The results are shown in the following table.

-The mesoderm was probably stained with a
A) blue color.
B) yellow color.
C) red color.
D) purple color.
E) green color.

Question

Use the following information to answer the next few questions.
In a study of the development of frog embryos, researchers stained several early gastrulas with vital dyes and noted the locations of the dyes after gastrulation. The results are shown in the following table.
 
-The mesoderm was probably stained with a
A) blue color. 
B) yellow color. 
C) red color. 
D) purple color. 
E) green color.

Quizplus · Accepted Answer

The mesoderm is located between the ectoderm and endoderm, which are both labeled with blue and red dyes respectively. Therefore, the mesoderm must be labeled with a different color, which is yellow.

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