Class 12 NEET Biology Reproductive Health Questions

ZIFT ( Zygote Intrafallopian transfer) is a technique in which oocyte and sperms are taken and fertilization takes place outside the female's body i.e. in vitro. Early embryo with more than 8 blastomeres is transferred to the fallopian tube.
So the correct option is ' Either zygote or early embryo upto 8 cell stage '.