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VocabScience 3.1,3.2
| Term | Definition |
|---|---|
| multiple alleles | traits that are controlled by a single gene that has more than two alleles |
| sex chromosomes | one of the 23 pairs of chromosomes in each body cell |
| sex-linked gene | genes on the X and Y chromosomes |
| carrier | a person who has one recessive allele for a trait and one dominant allele |
| genetic disorder | an abnormal condition that a person inherits through genes or chromosomes |
| pedigree | a chart or a "family tree" that tracks which members of a family have a particular trait |
| karyotype | a picture of all the chromosomes in a cell |