<span>The correct answer is number one. A chromosome is composed of many genes. A chromosome is referred to as a DNA molecule in an organism's body, which consists of genetic materials. Chromosomes consists of numerous genes within them, in their nucleus and mitochondria, genes are found inside the Chromosomes itself.</span>
●First Burn:skin becomes red and sensitive
●Second Burn:skin will be red,blistered,swollen,possibly white patches
●Third Burn:white or charred, dead skin becomes tough and leathery
The answer is organ systems I believe