Attempt this previous-year question. The correct option stays hidden until you choose.
At present, scientists can determine the arrangement or relative positions of genes or DNA sequences on a chromosome. How does this knowledge benefit us?
1. It is possible to know the pedigree of livestock.
2. It is possible to understand the causes of all human diseases.
3. It is possible to develop disease-resistant animal breeds.
Which of the statements given above is/are correct?
Pick an option to check yourself.
• Correct Answer: C
• Gene mapping enables precise livestock pedigrees via genetic markers and marker-assisted selection for disease-resistant breeds.
• Statement 2 is incorrect: not all human diseases are genetically determined; many involve environmental and multifactorial causes.
Attempt Prelims MCQs or open Mains questions by paper — then continue the same bank inside the app with visual decks.
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