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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 |