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| a chattering or flighty, light-headed person. |
| a fool or simpleton; ninny. |
genetic map n.
A graphic representation of the genes or mutable sites on a chromosome.
| genetic map or gene map
A graphic representation of the arrangement of a gene or a DNA sequence on a chromosome. A genetic map is used to locate and identify the gene or group of genes that determines a particular inherited trait. ◇ Locating and identifying genes in a genetic map is called genetic mapping. |