Homologies Similarities in DNA or protein sequences between individuals of the same species or among different species. A pair of chromosomes containing the same linear gene sequences, each derived from one parent. Homozygote Having identical alleles at one or more loci in homologous chromosome segments. Hormone therapy Treatment that prevents certain cancer cells from getting the hormones they need to grow. Hormones Chemicals produced by glands in the body.
Hormones control the actions of certain cells or organs.
Those genes expressed in all cells because they provide functions needed for sustenance of all cell types. HUGO Human Genome Organization. Human gene therapy Insertion of normal DNA directly into cells to correct a genetic defect. The full collection of genes needed to produce a human being. This DOE initiative is now known as the Human Genome Program.