UPSC PYQPrelims 2020

Civil Services Examination · প্রশ্ন 44

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?

  1. 1 only
  2. 2 and 3 only
  3. 2 only
  4. 1, 2 and 3
উত্তর দেখান ও ব্যাখ্যা

উত্তর: (D) 1, 2 and 3

ব্যাখ্যা

Germline editing, embryo editing (e.g., CRISPR) and human-pig chimera experiments using iPSCs have all been demonstrated.