Gene - A section of DNA that contains the coded information for the making of polypeptides and functional RNA, Locus - The position a gene is located on a section of DNA, Degenerate - Where some amino acids are coded for by more than 1 triplet code., Non-overlapping - Each base in a DNA sequence is only read once., Universal - The genetic code with very few minor exceptions is the same for all organisms., Exons - The coding sequences of DNA, Intron - The non-coding sequences of DNA, Histone - Proteins found in eukaryotic cells which help for the structure of chromosomes, Chromosome - A thread like structure made of protein and DNA by which hereditary information is physically passed from one generation to the next., Homologous pairs - A pair of chromosomes that have the same gene loci and therefore determine the same features., Diploid - A term applied to cells in which the nucleus contains 2 sets of chromosomes, Allele - One of a number of alternative forms of a gene.,

A Level Biology Chapter 8 - 8.1+8.2





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