Description : What is the number of chromosomes in a normal human body cell? (1) 43 (2) 44 (3) 45 (4) 46
Last Answer : (4) 46 Explanation: A chromosome is an organized structure of DNA and protein found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements and other nucleotide sequences. ... (22 pairs of autosomes and one pair of sex chromosomes), giving a total of 46 per cell.