1. 2.5.1 Variation of Species 2.5.2 Heredity and Gene Expression 2.5.3 Genetic Code 2.5.4 DNA Structure, Replication and Profiling Follow-Me – iQuiz

2. Q. What term is used to describe differences within a population with respect to features such as height? Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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4. Q. Explain the term species. Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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6. Q. Give one cause of genetic variation. Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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8. Q. Genetics is the study of... Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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10. Q. True or False. Chromosomes are made of DNA and lipid Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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12. Q. Explain briefly what is meant by a gene? Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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14. Q. Give one example of an inherited human characteristic. Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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16. Q. What is meant by genetic screening? Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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18. Q. Give two applications of DNA profiling. Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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20. Q. What is meant by non-coding DNA? Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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22. Q. Give one structural difference between DNA and RNA. Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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24. Q. What are the two main events in the replication of DNA? Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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26. Q. Name the complementary base in RNA for Adenine. Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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28. Q. Name a carbohydrate that is a component of nucleotides. Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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30. Q. What does the ‘m’ stand for in mRNA? Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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32. Q. True or False. Organisms of the same species can usually produce fertile offspring. Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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34. Q. Name the complementary base in RNA for Cytosine. Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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36. Q. Name a component of a nucleotide that is neither a carbohydrate nor a nitrogenous base. Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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38. Q. What is a chromosome? Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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40. Q. Give one example of a non-inherited human characteristic. Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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42. Q. Explain what is meant by the term DNA profiling? Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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44. Q. True or False. RNA is not found in ribosomes. Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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46. Q. Name the four bases that are found in DNA. Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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48. Q. The bases in DNA form a triplet code. What is meant by a triplet code? Ability to roller skate DNA opens/unzips & New strands made FALSE Eye colour Examining DNA for a pattern or band to compare Interbreeding results in fertile offspring Inheritance; Heredity Guanine Forensic science; Paternity; Medical Phosphate group Structure found in nucleus composed of DNA or genes; Hereditary material Testing people for the presence of a specific gene Three bases code for one amino acid Messenger Variation Unit of heredity; Code for protein; Section of DNA TRUE Uracil Adenine; Thymine; Guanine; Cytosine Ribose; Deoxyribose DNA contains thymine; RNA contains uracil Sexual reproduction; Gene or chromosome mutation; Genetic engineering Does not code for a protein

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