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Genetics
genetic vocab
| Term | Definition |
|---|---|
| Genetics | the study of heredity (how things are passed down from parents to offspring) |
| trait | specific characteristics that vary from one individual to the next |
| hybrid | the offspring of two parents with different traits |
| segregation | the separation of things |
| gamete | sex cell (haploid) |
| homozygous | organisms with two identical alleles for a certain trait (ex. TTortt) |
| heterozygous | organisms with two different alleles for a certain trait (ex. Tt) |
| phenotype | the physical characteristics (way it looks) |
| genotype | genetic makeup (ex TT,Tt,TT) |
| Independent assortment | genes segregate independently |
| Incomplete dominance | one allele is not completely dominant (ex. Tt) |
| co-dominance | both alleles contribute to the phenotype (ex. TG) |
| multiple alleles | more than two alleles |
| polygenic traits | traits controlled by two or more genes |
| haploid | single set of chromosomes and single set of genes |
| diploid | two sets of chromosomes and two sets of genes |
| meiosis | number of chromosomes per cell is cut in half through separation of homologous chromosomes in a diploid cell |
| tetrad | chromosome pairs with its corresponding homologous chromosome |