Which of the following would be a modern example
of Lamarckianism?
a. A strain of houseflies resistant to insecticides
emerges.
b. Squirrels separated by a river are found to be
unable to interbreed.
c. A son is born with a portion of his right index
finger missing—the same portion that was
severed from his father’s hand in an accident.
d. A strain of houseflies resistant to insecticides
emerges, and squirrels separated by a river are
found to be unable to interbreed.
e. A strain of houseflies resistant to insecticides
emerges; squirrels separated by a river are found
to be unable to interbreed, and a son is born with
a portion of his right index finger missing—the
same portion that was cut off from his father’s
hand in an accident.
Answer: c
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