Term
|
Definition
| The different forms of a gene |
|
|
Term
|
Definition
| A segment of DNA on a chromosome that codes for a specific trait |
|
|
Term
|
Definition
| A characteristic that an organism can pass on to its offspring through it's genes |
|
|
Term
|
Definition
| An organism's physical appearance, or visible traits |
|
|
Term
|
Definition
| The reproductive process that involves two parents who combine their genetic material to produce a new organism, which differs from both parents |
|
|
Term
|
Definition
| An allele that is masked when a dominant allele is present |
|
|
Term
|
Definition
| A condition in which neither of two alleles of a gene is dominant of recessive |
|
|
Term
|
Definition
| The likelihood that a particular event will occur |
|
|
Term
|
Definition
| A change in a gene or chromosome |
|
|
Term
|
Definition
| An allele whose trait always shows up in the organism when the allele is present |
|
|
Term
|
Definition
| A reproductive process that involves only one parent and produces offspring that are identical to the parent |
|
|
Term
|
Definition
| The offspring of many generations that have the same traits |
|
|
Term
|
Definition
| The process of selecting a few organisms with desired traits to serve as parents of the next generation |
|
|
Term
|
Definition
| The stage of the cell cycle during which the cell’s nucleus divides into two new nuclei and one copy of the DNA is distributed into each daughter cell |
|
|
Term
|
Definition
| An organism that has two different alleles for a trait; an organism that is heterozygous for a particular trait |
|
|
Term
|
Definition
| The scientific study of heredity |
|
|
Term
|
Definition
| The process that occurs in the formation of sex cells (sperm and egg) by which the number of chromosomes is reduced by half |
|
|
Term
|
Definition
| The passing of traits from parents to offspring |
|
|
Term
|
Definition
| An organism’s genetic makeup, or allele combinations |
|
|
Term
|
Definition
| A selective breeding method in which two individuals with identical or similar sets of alleles are crossed |
|
|
Term
|
Definition
| A chart that shows all the possible combinations of alleles that can result from a genetic cross |
|
|
Term
|
Definition
| The transfer of a gene from the DNA of one organism into another organism, in order to produce an organism with desired traits |
|
|
Term
|
Definition
| A gene that is carried on the X or Y chromosome |
|
|
Term
|
Definition
| An organism that is genetically identical to the organism from which it was produced |
|
|
Term
|
Definition
| The insertion of working copies of a gene into the cells of a person with a genetic disorder in an attempt to correct the disorder |
|
|
