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Genetics
| Term | Definition |
|---|---|
| Gene | Unit of heredity |
| Gene Expression | process by which information from a gene is used in the expression of a trait |
| Deoxyribonucleic Acid (DNA) | molecule that contains the genetic instructions for all living organisms |
| Alleles | a variation of a gene (ex. different eye colors) |
| Dominant Allele | it masks the effects of another allele and is designated by an uppercase letter. (H) |
| Recessive Allele | its effects are hidden by a dominant allele and is designated by a lowercase letter (h) |
| Gregor Mendel | Father of genetics. Is most famous for his research on genetics using pea plants. |
| Pedigree | the record of descent or recorded ancestry |
| Punnett Square | diagram that is used to predict an outcome of a particular cross or breeding experiment |
| Genotype | combination of genes an individual inherits (letters) |
| Phenotype | the physical appearance associated with a genotype (looks) |
| Homozygous | individual has the same two alleles for a gene (HH or hh) |
| Heterozygous | individual has two different alleles for a gene (Hh) |