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4-1 & 4-2
Bonnie Branch 7th Grade - 4-1 / 4-2 Human Inheritance & Genetic Disorders
Term | Definition |
---|---|
multiple alleles | Three or more forms of a gene that code for a single trait |
sex-linked gene | A gene that is carried on the X or Y chromosome |
carrier | A person who has one recessive allele for a trait and one dominant allele, but does not have the trait |
pedigree | A chart or “family tree” that tracks which members of a family have a particular trait |
genetic disorder | An abnormal condition that a person inherits through genes or chromosomes |
karyotype | A picture of all the chromosomes in a cell arranged in pairs |
amniocentesis | A technique by which a small amount of the fluid that surround a developing baby is removed; the fluid is analyzed to determine whether the baby will have a genetic disorder |