| Term | Definition |
|
multiple alleles |
three or more forms of a gene that code for a single trait |
|
sex chromosomes |
a pair of chromosomes that carrying a gene that determines whether a person is male or female |
|
sex-linked gene |
a gene that is carried on the x or y chromosomes |
|
carrier |
a person who has one reccesive allele for a trait but does not have the trait |
|
genetic disorder |
an abnormal conditon that a person inherits through genes or chromosomes |
|
pedigree |
a chart or "family tree" that tracks which members of a family have a particuilar trait |
|
karytope |
a picture of all the chromosomes in a cell arranged in pairs |