High milk yielding varieties of cows are obtained by :
Correct answer: D. All of these.
- A. Use of surrogate mothers
- B. Superovulation
- C. Artificial insemination
- D. All of these.
Explanation
High milk-yielding cows are produced using superovulation to obtain multiple eggs, artificial insemination to introduce superior male genes, and surrogate mothers to carry the fertilized embryos. Therefore, all these techniques improve genetic quality and productivity.
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Biotechnology in health care applies biological organisms, cells or enzymes to diagnose and treat disease. The subject includes recombinant DNA, genetically engineered insulin, vaccines, antibiotics, monoclonal antibodies, gene therapy and techniques such as polymerase chain reaction, while distinguishing therapeutic applications from agricultural and industrial biotechnology.
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