Each gene has a specific location (locus) on a chromosome and may come in several forms (alleles). genotype The actual genes for a trait present in an individual. genotypic ratio The expected numbers of different genotypes produced by a particular cross.
Bones are made from calcium. A typical bone has an outer layer of hard or compact bone, which is very strong, dense and tough. Inside this is a layer of spongy bone, which is â¦ like honeycomb, lighter and slightly flexible.
bone. 1. The hard, dense, calcified tissue that forms the skeleton of most vertebrates. Bone serves as a framework for the attachment of muscles and protects vital organs, such as the brain. It also contains large amounts of calcium, a mineral that is essential for proper cell function.Blood cells and platelets are produced in the marrow, the central cavity of bone.See more at osteoblast, osteocyte.. An animal structure or material, such as ivory, resembling bone. 4. Something made of bone or of material resembling bone, especially: a. A piece of whalebone or similar material used as a corset stay.