Please refer the attachment for the correct answer
Answer:
include the brain and spinal cord
Explanation:
he 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
Parasite and Host, because the tapeworm can not live without the cells of the Human Intestine. It needs to live off of the Human making it, the host for the tapeworm.