Consider the following statements related to Genetics. 1. Genetics is the study of heredity. 2. The genetic information lies within the cell nucleus of each living cell in the body. 3. Proteins are made up of one or more polypeptide chains, each of which is composed of a sequence of amino acids, and the DNA sequence of a gene (through an RNA intermediate) is used to produce a specific amino acid sequence. Which of the above statements is/are correct? Correct Answer 1, 2, and 3 The correct answer is 1, 2, and 3. Key Points Genetics: Genetics is the study of heredity. Hence, Statement 1 is correct. Heredity is a biological process where a parent passes certain genes onto their children or offspring. Every child inherits genes from both of their biological parents and these genes, in turn, express specific traits. Some of these traits may be physical for example hair and eye colour and skin colour etc. On the other hand, some genes may also carry the risk of certain diseases and disorders that may pass on from parents to their offspring. The genetic information lies within the cell nucleus of each living cell in the body. Hence, Statement 2 is correct. The information can be considered to be retained in a book for example. Part of this book with the genetic information comes from the father while the other part comes from the mother. Genes generally express their functional effect through the production of proteins, which are complex molecules responsible for most functions in the cell. Proteins are made up of one or more polypeptide chains, each of which is composed of a sequence of amino acids, and the DNA sequence of a gene (through an RNA intermediate) is used to produce a specific amino acid sequence. Hence, Statement 3 is correct. This process begins with the production of an RNA molecule with a sequence matching the gene's DNA sequence, a process called transcription.