Chromosomes, Genes and DNA recap 0.0 / 5 ? BiologyDNA and inheritanceIGCSEAQA Created by: Nicole DCreated on: 30-11-13 13:56 Chromosomes, Genes and DNA Recap 9 Questions 1 of 10 What is genetics? The study of inherited characteristics and the way they're passed through generations 2 of 10 What are chromosomes? Large molecules of DNA 3 of 10 What are genes? Small sections of DNA found along the length of chromosomes 4 of 10 What are alleles? Alternative forms of the same gene 5 of 10 DNA is the molecule of _____(1)_____ as it contains the ____(2)_____ ______(3)_____that determines inherited _______(4)______ (1) inheritance ; (2) coded ; (3) information ; (4) characteristics 6 of 10 DNA is made of 2 very long strands of monomers called _____________ Nucleotides 7 of 10 Each strand is therefore a polymer called _____________ Polynucleotide 8 of 10 The 2 strands are linked together by ____(1)____ through complementary base ______(2)____ (1) bases ; (2) pairing 9 of 10 The 2 strands are twisted together into a spiral or ___(1)____ ____(2)___ (1) double ; (2) helix 10 of 10
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