Put away all materials in original places. Follow Up of Embryos Embryos should be left alone for one hour after fertilization. Count fertile embryos. Remove dead and infertile embryos. Transfer groups of 25 embryos into 300 ml beakers with 100 ml of fish water each.
Embryos are perfect diploids.
Very abnormal embryos that have a head, body axis and some sort of tail, but obviously will not survive. Embryos that are yolks with masses of cells on them. Screen according to particular experiment or mutation.