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Science Genetics
flashcards to study for 1/21 test Kobren
| Definitiion | Term |
|---|---|
| The allele that is expressed even when it is paired with a recessive allele | dominant allele |
| Segment of DNA | genes |
| To receive from parents | inherit |
| The measure of the likelihood that an event will occur | probability |
| The allele that is hidden when a dominant allele is present | recessive allele |
| The genetic material found in chromosomes; made of 4 chemicals | DNA |
| A diagram that is used to predict outcomes of genetic crosses | Punnett Square |
| Having 2 identical alleles for a trait Ex: AA or aa | Purebred |
| The people born and living at the same time | generation |
| Having 2 different alleles for a trait Ex: Aa | hybrid |
| The genetic makeup of an individual Ex: Bb, LL, ss | genotype |
| The passage of genetic instructions from one generation to the next. | heredity |
| The result of reproduction; aka children | offspring |
| Human cells contain 46 of these; found in nucleus of cells | chromosomes |
| The physical appearance of an organism Ex: blue eyes | phenotype |
| Another word for a characteristic | trait |
| A different variety or “flavor” of a gene | allele |
| How many pairs of chromosomes do humans have in most cells? | 23 |