Solutions to these questions can be found here. 1) Antidiuretic hormone (ADH) is a protein produced by cells in the hypothalamus. The AVP gene codes for the production of ADH.
a) Outline the steps to show how a mutation in the AVP gene could result in changes in the ADH protein. (3 marks) b) Identify ONE possible effect of the AVP mutation on kidney function. (1 mark) 2) Describe an example of a somatic mutation and its effects. 3) Describe an example of a germ-line mutation and its effects. 4) What is the difference between coding and non-coding DNA and their functions and how can each affect the organism? 5) Can non-coding regions affect the phenotype of an individual? 6) What are transposons and how do they affect DNA? 7) What is gene recombination and how does it contribute to the diversity within a population? 8) Why is genetic variability in a population beneficial? 9) What is an allele? 10) What are two ways that chromosomal errors can be introduced during genetic recombination? 11) What is non-disjunction and what is an example of a disorder caused by it? 12) Explain three ways that genetic variation can be introduced during fertilisation and meiosis. 13) Describe 4 differences between somatic and a germ-line mutations.
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