Question 91
(Multiple Choice)
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 endoderm was probably stained with
A) red and yellow colors.
B) yellow and green colors.
C) green and purple colors.
D) blue and yellow colors.
E) purple and red colors.
Answer