immune system, n the group of organs, cells, and chemicals that protect the body from harmful viruses, bacteria, and abnormal cells. It includes bone marrow, proteins, the thymus, the spleen, the lymphocytes, and other white blood cells.
50% from each parent: one allele in each gene, each parent, for a total of two. 2 people found this useful. Edit. Share to: 1  College Admission Interview Dos and Don'ts Some colleges offer applicants the opportunity to interview on campus or close to home.
The absolute number depends on the parent organism, but there are half the number of chromosomes present in a haploid cell as compared to the parental diploid cell. In humans diploid cells have 46 chromosomes, and haploid cells have 23. A diploid chromosome Set is a Paired Set; the haploid chromosome Set is a complete set of the Organism's chromosomes - UNPAIRED, as in Unique.