Gentics And Evoloution - Study Mode

Explanation

Solution: Let's break down this question! Statement 1: "DNA is the hereditary material of all living organisms." This is TRUE . DNA carries the genetic instructions for nearly all living things. Statement 2: "All segments of DNA code for synthesis of proteins." This is FALSE . Only specific sections of DNA, called genes , code for proteins. Many other DNA segments have regulatory or structural roles. Statement 3: "Nuclear DNA is double helical with two nucleotide chains which run anti-parallel." This is TRUE . DNA in the nucleus has a double helix shape, and the two strands run in opposite directions (anti-parallel). Statement 4: "DNA is also found in mitochondria." This is TRUE . Mitochondria, the powerhouses of the cell, have their own DNA. So, the correct statements are 1, 3, and 4. Therefore, the answer is Option C: 1, 3 and 4 .