| kangaroo | <zoology> Any one of numerous species of jumping marsupials of the family Macropodidae. They inhabit Australia, new Guinea, and adjacent islands, They have long and strong hind legs and a large tail, while the fore legs are comparatively short and feeble. The giant kangaroo (Macropus major) is the largest species, sometimes becoming twelve or fourteen feet in total length. The tree kangaroos, belonging to the genus Dendrolagus, live in trees; the rock kangaroos, of the genus Petrogale, inhabit rocky situations; and the brush kangaroos, of the genus Halmaturus, inhabit wooded districts. See Wallaby. Kangaroo apple, the potoroo. Origin: Said to be the native name. Source: Websters Dictionary (01 Mar 1998) |
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| chromosome walking | A procedure to find and sequence a gene whose approximate position in a chromosome is known by classical genetic linkage studies. Starting with the known sequence of a gene shown by classical genetics to be near to the novel gene, new clones are picked from a genomic library by hybridisation with a short probe generated from the appropriate end of the known sequence. The new clones are then sequenced, new probes generated and the process repeated until the gene of interest is reached. (18 Nov 1997) |
| walking | <molecular biology, technique> A class of techniques for cloning large regions of a chromosome. (14 Nov 1997) |
| walking pneumonia | <chest medicine> A term used to describe Mycoplasmal pneumonia. most commonly affects those under 40 years of age and is commonly spread in families or closed populations. Symptoms include headache, muscle aches, fever, cough, chest pain, sore throat and rashes (in some individuals). Treatment is with antibiotics (for example erythromycin) (27 Sep 1997) |