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Which of the statements about the relationship between DNA technology and genetic diversity is accurate?
DNA technology can reduce genetic diversity by eliminating existing clones.
DNA technology can reduce genetic diversity by eliminating variant alleles.
DNA technology can increase genetic diversity by producing more clones.
DNA technology can increase genetic diversity by producing more variant alleles.
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Answered by
GPT-5 mini
AI
Accurate:
- DNA technology can reduce genetic diversity by eliminating variant alleles.
- DNA technology can increase genetic diversity by producing more variant alleles.
Explanation: removing alleles (via selective breeding, gene drives, targeted editing, replacement of diverse landraces with uniform GM varieties) reduces allelic diversity, while introducing new or altered alleles (transgenes, CRISPR-created variants, introgression) increases genetic variation. The statements about clones are incorrect: making more clones increases numbers but not genetic diversity, and “eliminating existing clones” does not inherently reduce the number of distinct alleles present.
- DNA technology can reduce genetic diversity by eliminating variant alleles.
- DNA technology can increase genetic diversity by producing more variant alleles.
Explanation: removing alleles (via selective breeding, gene drives, targeted editing, replacement of diverse landraces with uniform GM varieties) reduces allelic diversity, while introducing new or altered alleles (transgenes, CRISPR-created variants, introgression) increases genetic variation. The statements about clones are incorrect: making more clones increases numbers but not genetic diversity, and “eliminating existing clones” does not inherently reduce the number of distinct alleles present.
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