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 TISSUE & ANATOMY. Tissue components: Bone tissue is a type of connective tissue that contains lots of calcium and phosphorous salts. About 25% of bone tissue is water, another 25% is made up of protein fibers like collagen. The other 50% of bone tissue is a mixture of mineral salts, primarily calcium and phosphorous.