allele1) One of a number of alternative forms of a gene. Commonly only two alternative forms exist for a gene. 2) Either of a pair (or series) of alternative forms of a gene that can occupy the same locus on a particular chromosome and that control the same character |
antibody1 Any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immuneresponse |
asexual reproduction1 Reproduction without the fusion of gametes |
cancer1 Any malignant growth or tumour caused by abnormal and uncontrolled celldivision; it may spread to other parts of the body through the lymphaticsystem or the blood stream |
cell1) The basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals |
characteristic1) A distinguishing quality |
chromosome1) A thread-like structure, made of protein, containing a number of genes aligned along its length.
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clone1) An identical individual (oxy-moron)
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cystic fibrosis1) The most common congenitaldisease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; there is no cure |
DNA
2)A long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a doublehelix; associated with the transmission of genetic information |