genetics

4. Situation in which one allele is not completely dominant over another allele
10. An allele that is masked when a dominant allele is present
11. An organism that always produces offspring with the same form of a trait as the parent
12. Father of gentics
13. An allele that is always expressed
15. control center of the cell
17. An organism that has two identical alleles for a trait
18. threadlike structures made of DNA molecules that contain the genes.
19. A characteristic that is passed from parent to offspring

1. A change in a gene or chromsome
2. An organism that has two different alleles for a trait
3. An organism's physical appearance, or visible traits
5. An organism's genetic makeup, or allele combinations
6. The scientific study of heredity
7. offspring of crosses between parents with different traits
8. A chart that shows the possible combination of alleles due to fertilization
9. Different forms of a gene
12. A segment of DNA on a chromosome that codes for a specific trait
13. A complex molecule containing the genetic information that makes up the chromosomes. deoxyribonucleic acid.
14. A trait that is not in your genes but is picked up from environmental factors
16. A characteristic that is passed from parent to offspring