Question

What phrase is used to indicate mutation that we cannot avoid?
a. inborn mutation
b, natural mutation
c, spontaneous mutation
d. internal mutation
e, intrinsic mutation

. What is a "branchial fistula"?
a. a tail that present at birth
b. a tail that disappears later in development that usual
c. mucus leakage
d. a hole in the neck
e. either a. or b. is correct, depending upon the situation

Answer 1

the first one is B and the second one is c