A Mad Scientist Wishes to Create a Nonhuman Animal with a Tongue

Multiple Choice

A mad scientist wishes to create a nonhuman animal with a tongue on its back. Presuming that the scientist believes in phylogenetic continuity, when would the scientist be MOST likely to perform the cell transplant?

A) early in the fetal period
B) late in the germinal period
C) early in the embryonic period
D) early in the germinal period