1. He fused that egg cell with one of the adult udder cells. 2. The laboratory was able to extract two egg cells and fertilise them. 3. The gametes of animals have male and female forms spermatozoa and egg cells . 4. In some protists, fertilization also involves sperm syncytical antheridium surrounding the egg cells . 5. Mitochondria in mammalian sperm are usually destroyed by the egg cell after fertilization. 6. In animals, parthenogenesis means development of an embryo from an unfertilized egg cell . 7. Material in the egg cell , known as the cytoplasm, can reprogram adult cells. 8. The new egg cell was then fertilized with the father's sperm. 9. Acquiring such a number of human egg cells would be difficult and expensive. 10. Oocyte is the scientific term for the egg cells of mammals.
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