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Genetics
Genetics; Basic Principles of Heredity
| Question | Answer |
|---|---|
| Definition of Genetics | Study of gene activity |
| Definition of Heredity | Passing of characteristics from parent to offspring |
| Who is Gregor Mendel? | Father of genetics |
| Parts of Pistil | Stigma, Style, Ovary with eggs |
| Parts of Stamen | Anther with pollen, filament, petals |
| Homozygous | Both alleles of a gene pair are the same |
| Heterozygous | Alleles of a gene pair are different |
| Genotype | The genes (alleles) in an individual |
| Phenotype | Physical expression of genes |
| P1 | Original parent generation |
| F1 | Offspring of P generation |
| F2 | Offspring of F1 generation |
| Monohybrid | Cross involving 1 trait |
| Dihybrid | Cross involving 2 traits |
| Testcross | Cross of phenotype dominant times a recessive to determine genotype of the unknown dominant |
| Incomplete dominance | Blended effect, 3 phenotypes, 2 extremes and 1 blended |