A) It can occur in both somatic and sex cells.
B) It can cause down?s syndrome in humans.
C) It can change a dominant allele into a recessive one.
D) It can be brought about by exposure to ionizing radiation.
Correct Answer: C
Solution :
[e] A gene mutation cannot cause a dominant allele to become recessive, but can disallow it from being expressed phenotypically.You need to login to perform this action.
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