| A | B |
|---|
| polygenic inheritance | more than one set of genes controls a trait |
| Pedigree | diagram used to follow traits through families |
| three phenotypes for one trait | incomplete dominance |
| sex linked disorders examples | baldness, color blindness |
| Mutations | can be good, bad or may not affect them |
| blood type | a result of multiple alleles |
| Polygenic inheritance examples | hair color, eye color, foot size |
| Alleles | control traits |
| Heredity | passing of genes from |
| Dominant | Gene, trate or allele; has power over recessive gene |
| Capital Letter; example: T | Dominant gene |
| Recessive | overpowered by a dominant gene; gene, trait, allele |
| Small letter; example "t" | recessive gene |
| Pure "bred" | all one type of allele |
| Homozygous | all one type of allele |
| Hybrid | 2 different alleles |
| Heterozygous | 2 different alleles |
| TT, tt | Homozygous, pure |
| Tt | Heterozygous, hybrid |
| Phenotype | words to describe physical trait; ex: tall |
| Genotype | use letters to describe gene. ex: TT |
| Probability | likelihood of an outcome |
| inherited | genes from both parents with different traits |
| allele | gene for specific trait |
| Gregor Mendel | Austrian monk in 1865 who exerimented with pea plants, studying genetics. |
| punnet square | chart used to show how genes from 2 parents combine and determine offsprings traits. |
| genetics | study of genes or heredity |
