A sudden change in a gene or genes is called
BIOLOGY
POST UTME OOU
A sudden change in a gene or genes is called
- A) fertilization
- B) variation
- C) mutation
- D) heredity
Correct Answer: C) mutation
Explanation
A sudden change that occurs in a gene or genes is referred to as a mutation. Mutations can occur spontaneously or be induced by environmental factors such as radiation or chemicals. Mutations can be harmful, beneficial or have no effect at all on an organism's phenotype. Harmful mutations can lead to genetic disorders while beneficial mutations can contribute to the evolution of a species. Mutations are important because they are the source of genetic variation that drives evolution. Fertilization, variation and heredity are not appropriate terms to describe a sudden change in a gene or genes.
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