Consider the following statements: 1. Genetic changes can be introduced in the cells that produce eggs or sperms of a prospective parent. 2. A person's genome can be edited before birth at the early embryonic stage. 3. Human induced pluripotent stem cells can be injected into the embryo of a pig. Which of the statements given above is/are correct?
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A hard Science & Technology multiple-choice question from UPSC Prelims 2020. Attempt it above, then check the correct answer and detailed explanation below.
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Correct answer: D. 1, 2 and 3
All three are correct — germline (egg/sperm-producing) cells can be genetically modified, embryos can be gene-edited at an early stage, and human induced pluripotent stem cells have been injected into pig embryos (chimera research).
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