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chapter 5 vocabulary
5.1 and 5.2 vocabulary
Term | Definition |
---|---|
Multiple alleles | three or more forms of a gene that code for a trait. |
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 "family tree" that tracks which members of a family have a particular trait |
karyotype | a picture of all the chromosomes in a cell |