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Section .2.

QuestionAnswer
pedigree a diagram that shows the occurrence of a genetic trait in several generations of a family
carrier an inactive substance that is a vehicle for a radioactive tracer of the same substance and that assists in its recovery after some chemical reaction
genetic disorder an abnormal condition that a person inherits through genes or chromosomes
polygenic of or relating to an inheritable character that is controlled by several genes at once
complex character characters that are influenced strongly both by the environment and by genes
multiple allele genes with three or more alleles
codominance situation in which both alleles of a gene contribute to the phenotype of the organism
incomplete dominance one allele is not completely dominant over the other allele
sex-influenced trait an autosomal trait that is influenced by the presence of male or female sex hormones
Huntington's disease human genetic disease caused by a dominant allele; characterized by uncontrollable body movements and degeneration of the nervous system; usually fatal 10 to 20 years after the onset of symptoms.
amniocentesis technique that allows a physician to remove from the amnion
chorionic villi sampling sampling of cells derived from the zygote that grow between the mother's uterus and placenta between the 8th and 10th week of pregnancy
genetic counseling guidance for prospective parents on the likelihood of genetic disorders in their future children
gene therapy The insertion of working copies of a gene into the cells of a person with a genetic disorder in an attempt to correct the disorder
Created by: burkea15
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