The part of Genes and Inheritance& Intercourse into the room Genes can be found on rodlike structures called chromosomes that are located into the nucleus of each mobile in your body. Each gene occupies a certain place for a chromosome. Because genes offer directions to make proteins, and proteins determine the dwelling and purpose of each mobile within the physical human body, it follows that genes are responsible for most of the traits you inherit. The total hereditary guidelines for every individual, referred to as human being genome, is carried by 23 pairs of chromosomes, and is composed of around 20,000-25,000 genes. At conception, the embryo receives 23 chromosomes from the caretaker’s egg and 23 chromosomes through the daddy’s semen.