genetics

2. both alleles are identical in an organism
3. when a person is heterozygous for a genetic disorder, they are often called a ______
5. when two alleles are present, the one that is seen
8. ____ square that is used to solve genetics problems
9. a gene is a segment of ____ that codes for proteins and determines traits
10. if a son is born colorblind, who did he inherit the colorblindness gene from?
12. X-____ traits are based on genes being found on the X chromosome
13. when two alleles are present, the one that is hidden
15. The father of modern genetics
17. an organism has two different alleles
18. the observable characteristics based on the genes present
19. different versions of a gene

1. in ______, both alleles are expressed independently
3. a _____ letter is used to denote the dominant allele
4. the _____ generation, crossed true breeding pea plants with opposite traits
6. in _____ dominance, there is a blending of alleles
7. These pea plants, when self fertilized, produce offspring that are identical to themselves
11. the passing down of traits from parents to offspring
14. The law of ____ states that alleles separate and a parent only passes on one of their two alleles
16. the combination of genes and organism has