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Modern Genetics
definition | Word |
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Three or more forms of a gene that code for a single trait. | Multiple Alleles |
A gene that is carried on the X or Y chromosome. | Sex-linked Gene |
A person who has one recessive allele for a trait and one dominant allele, but does not have the trait. | Carrier |
A chart or “family tree” that tracks which members of a family have a particular trait. | Pedigree |
An abnormal condition that a person inherits through genes or chromosomes. | genetic disorder |
A technique by which a small amount of the fluid that surrounds a developing baby is removed; the fluid is analyzed to determine whether the baby will have a genetic disorder. | amniocentesis |
A picture of all the chromosomes in a cell arranged in pairs. | karyotype |
The process of selecting a few organisms with desired traits to serve as parents of the next generation. | selective breeding. |