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genetics
| Term | Definition |
|---|---|
| Genetics | study of heredity and the variation of inherited characteristics. |
| Heredity | the passing on of physical or mental characteristics genetically from one generation to another. |
| Alleles | alternatives of a gene |
| Trait | features of an organism |
| Dominant | allele is present |
| Recessive | allele is hidden |
| Genotype | genetic make up |
| Phenotype | physical appearance |
| Homozygous | having identical alleles for a single trait |
| Heterozygous | having different alleles |
| Punnett square | a diagram used to predict genotypes |
| Mutation | sudden change in the genetic material |
| Autosome(s) | 22 pairs; body chromosomes |
| Sex chromosome | 1 pair; X and Y |
| Sex-linked | phenotype of an alleles that is dependent on the gender |
| Deoxyribonucleic Acid (DNA) | a hereditary material in humans and other organisms |
| Ribonucleic Acid (RNA) | one of the major biological macromolecules |
| Replication | process of duplicating an exact copy of a strand of DNA |
| Nitrogenous bases | a molecule that contains nitrogen and has a chemical properties of a base (ATGC) |
| Nucleotide | sugar, phosphate and a nitrogenous base |