MCQ
Test tube babies are produced by
- A
Fertilising the egg removed from the body of the female with the husband's sperm outside in vitro culture. The zygote is transferred back
- ✓External fertilisation and development in vitro culture till $32$ cells stage before putting the embryo back into mother's uterus
- CComplete development of a baby in vitro
- DDevelopment upto $32$ cells stage and transplanting embryo in the uterus of a surrogate mother