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3.2 Vocab
MI Vocabulary Quiz
Term | Definition |
---|---|
melanoma | a tumor of high malignancy that starts in melanocytes of normal skin or moles and metasizes rapidly and widely |
model system | an organism chosen to study broad biological principles |
actinic keratosis | a rough, scaly patch on the skin that develops from years of sun exposure |
BRCA1 | tumor suppressor genes that in mutated form tend to be associated with an increased risk of certain cancers and especially breast and ovarian cancers |
marker analysis | a genetic technique whereby the sequence of the gene is not directly analyzed, but the mutant copy of the gene is inferred through analysis of a genetic marker |
sporadic | occuring occasionally, singly, or in scattered instances |
familial | relating to or occuring in a family or its members |
hereditary | an inherited disorder in which affected individuals have the higher-than-normal chance of developing certain type of cancer, often before the age of 50 |
genetic marker | alteration in DNA that may indicate an increased risk of developing a specific disease or disorder |
microsatellites | any of numerous short segments of DNA that are distributed throughout the genome, that consist of repeated sequences of usually two to five nucleotides, and that are often useful markers in studies of genetic linkage because they tend to vary from one ind |
allele | any of the alternative forms on a gene that may occur at a given locus |
screening | to test or examine for the presence of something (as a disease) |
cryosurgery | surgery in which diseased or abnormal tissue is destroyed or removed by freezing |
virologist | a specialist in virology, the branch of science that deals with viruses |