Biology for IGCSE & O level - Variation And Selection (Section 4 - No. 32)
Which of the following is the definition of the term gene mutation?
A change in the position of a gene on a chromosome.
A change in the DNA base sequence of a gene.
A change in the way a gene is inherited.
A change in the amino acid sequence of a gene.
Explanation
A gene mutation is a change in the DNA sequence.
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