Life’s Greatest Miracle Video Questions 1. DNA has run the show because it is very good at ____________. 2. If humans were all clones, everyone would have the same _________ and one successful parasite could wipe us all out. 3. When there is sex, there is _________. 4. True or False Each and every sperm is the same. 5. __________ is the process the makes it possible for all the sperm to have unique DNA. 6. Melinda produced all of her eggs when she was a __________. 7. Cells called ____________cells help nourish the selected egg. 8. One teaspoon of semen can contain _____________ sperm. 9. Underneath the thick layer of support cells, the egg is protected by a protein layer called the __________. 10. When the egg cell first divides, _________hours have passed. 11. When the embryo finally lands on the uterus wall, the blastocyst can be attacked by woman’s _______________. 12. At the beginning of gastrulation, the cells form _______ layers. 13. Different cells look different because certain genes are _____________. 14. Melinda and Sergio did a ____________ test to try to figure out what the sex of the baby was. 15. Around ________ weeks, a doctor can sometimes make out the sex of a baby. 16. True or False In the first month, boys and girls look exactly alike. 17. SRY is a gene on the Y chromosome that functions in one place, the ___________. 18. If there are two x chromosomes, that baby becomes a ___________. 19. Two months after fertilization the embryo is called a _________. 20. The _______is one of the only organs that function early in development. 21. The fetus starts to hear at ________ months. 22. The man in the video made ________ noises to his wife’s stomach. 23. At Week 9, the baby is _______inches long. 24. Very importantly, fat is getting laid down in the __________. 25. Giving birth can be one of the most amazing experiences a woman can have, and the most__________. 26. Humans are far more dangerous than other primates because of ___________.