Figure 4. A - PBI transfer Representation, where it is withdrawn from the oocyte in MII and transferred to an oocyte in MII with the spindle previously removed, followed by fertilization of the reconstructed oocyte. B - Representation a PBII transfer, where it is removed from an azygote in the pronucleus stage and transferred to azygote with the maternal nucleus and PBII previously removed (Adapted from Craven et al., 2017).