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Chapter 14: Genes
| Question | Answer |
|---|---|
| Genes | heritable units, specific location on chromosomes (locus) |
| Alleles | alternate versions of genes |
| Characters | heritable features that vary among individuals |
| Trait | each variant of a character |
| Gregor Mendel | - revolutionized the field of genetics - pea plant experiments - |
| Why did Mendel work on peas? | Peas have 2 alternative forms of each of the 7 characters he examined: flower color, flower position, seed color, seed shape, pod shape, pod color, stem length |
| Homozygous | identical alleles for a trait (PP or pp) |
| Heterozygous | two different alleles for a trait (Pp) |
| Phenotype | organisms expressed traits (hair color, eye color) |
| Genotype | genetic makeup of an organism (PP or Pp or pp) |