, Chromosomes, genes…
• Gene = a section of DNA that codes for a protein
• Chromosome = coiled up and condensed DNA
• Genome = complete set of genetic material of an organism
• Chromatid = makes up a chromosome
Structure :
• DNA
• In long strands, chromatin network
• Just before meiosis/mitosis, the DNA coils up and condenses to form a
chromosome
• 46 chromosomes