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 ectoderm should give rise to tissues containing
A) yellow and purple colors.
B) purple and green colors.
C) green and red colors.
D) red and blue colors.
E) red and yellow colors.
Correct Answer:

Verified
Correct Answer:
Verified
Q41: An embryo with meroblastic cleavage, extraembryonic membranes,
Q42: The pattern of embryonic development in which
Q43: An open space within the gastrula is
Q44: Changes in the shape of a cell
Q45: Which of the following is a correct
Q47: Fertilization of an egg without activation is
Q48: Cells move to new positions as an
Q49: During fertilization, the acrosomal contents<br>A) block polyspermy.<br>B)
Q50: Human trophoblasts<br>A) form the inner cell mass.<br>B)
Q51: Thalidomide, now banned for use as a