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 ?
Options
(a)1 and 2 only
(b)2 only
(c)1 and 3 only
(d)1, 2 and 3
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Class 12Principles of Inheritance and Variation— NCERT Biology, Chapter 4. The fourth chapter of NCERT's Class 12 biology book, opening Unit VII (Genetics and Evolution), explains how characters pass from parents to offspring and why offspring…
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