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Across 8. The one whose trait always shows up in the organism when the allele is present. 9. This occurs when one allele is only partially dominant. 11. The other term that genetics use is..... 12. The world around you. 13. Cell separation. 18. An organism that has two identical alleles for a trait is said to be.... 22. The one hidden whenever the dominant is present. 23. A number describes how likely it is that an event will occur. 24. A ________ organism is the offspring of many generations that have the same form of a trait. 25. An organism that has two different alleles for a trait is....

Down 1. Used to describe the factors that control a trait. 2. This occurs when more than one gene affects a trait. 3. Each specific characteristics, such as stem height or seed color is called a.... 4. Has a twisted ladder shape. 5. Some genes have _________ ________, which means that three or more possible alleles determine the trait. 6. The different forms of a gene. 7. Two terms that genetics use, one being.... 10. This occurs when both alleles for a gene are expressed equally. 14. The scientific study of heredity. 15. A new organism begins to form when egg and sperm cells join in the process of.... 16. A chart that shows all the possible ways alleles can combine is a genetic cross. 17. Cell's nucleus divides into two new nuclei and one set of DNA. 19. Is the passing of physical characteristics from parent to offspring. 20. Organisms that have two different alleles for a trait. 21. A form of cell division called.....