Multiple Choice
Cells in a developing embryo are subject to a number of regulatory pressures.Which of the following is NOT a source of regulatory signals in animal development?
A) oocyte cytoplasm
B) sperm nucleus
C) nearby cells
D) extracellular matrix
Correct Answer:

Verified
Correct Answer:
Verified
Q7: What is common to gap genes,segment-polarity genes,and
Q10: Which of the following would constitute evidence
Q11: Which of the following terms refers to
Q12: What does the term "genetic equivalence" refer
Q13: Animal species exhibit an enormous diversity of
Q14: The protein of the bicoid gene in
Q17: Cellular differentiation is usually produced by<br>A)differences in
Q18: In snake populations,rare individuals are found that
Q20: During development,what a cell differentiates into depends
Q26: What types of changes in the regulation