click below
click below
Normal Size Small Size show me how
Genetics
Term | Definition |
---|---|
Heredity | Passing traits from parent to offspring |
Genotype | Genetic make-up of an organism |
Phenotype | Physical characteristics of an organism |
Chromosome | Threadlike structure of DNA |
Homozygous | Having two identical alleles BB or bb |
Heterozygous | Having one of each allele Bb |
Gene | Sequence of DNA that determines a trait |
Purebred | Same as homozygous |
Genetic Engineering | Adding DNA to give an organism new traits |
Genetic Screening | Looking at DNA to see what the traits will be |
Genetic Fingerprinting | Using hair, skin cells, or spit to identify a person |
Probability | Likelihood that something will happen |
DNA Base-C | Cytosine |
DNA Base-G | Guanine |
DNA Base-T | Thymine |
DNA Base-A | Adenine |
C goes with | G |
A goes with | T |
Shar Pei Mutation | The added HA enzyme thickens the skin and signals cells to divide more. |
Double-muscled Cattle Mutation | Myostatin does not signal the muscles to stop growing |
Extra-Toed Cats | Sonic hedgehog (SHH) protein on BOTH sides of the developing foot, causing them to grow extra toes |