Multiple Choice
Four of the following are characteristic of morphogens.Which one is the exception?
A) They are long-range signals in pattern formation.
B) They are encoded by master genes.
C) They affect gene splicing.
D) Their concentration decreases with distance from source.
E) They affect development.
Correct Answer:
Verified
Correct Answer:
Verified
Q45: During implantation,the _ buries itself in the
Q46: Respond to the following statements with reference
Q47: Babies born before _ after fertilization are
Q48: Snakes typically are longer than lizards due
Q49: The prenatal period begins with the _
Q51: Which stage of development immediately precedes the
Q52: _,products of master genes,act as long-range signals
Q53: Fertilization typically occurs in the _. <br>A)
Q54: Human milk contains _. <br>A) calcium only<br>B)
Q55: The placenta _. <br>A) forms from endometrial