Biology Glossary for 11-16 Yr Olds (Chad Evans)

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1 Any malignant growth or tumour caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream


1) 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


1) A distinguishing quality


1) A thread-like structure, made of protein, containing a number of genes aligned along its length.
 (Adapted from Edexcel GCSE SCience and Data Resource Book, UG005206) 

2) A threadlike body in the cell nucleus that carries the genes in a linear order


1) An identical individual (oxy-moron)

2) A group of genetically identical cells or organisms derived from a single cell or individual by some kind of asexual reproduction

cystic fibrosis

1) The most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; there is no cure