Science / Genetics / Housekeeping Genes: Those genes expressed in all cells because they provide functions needed for sustenance of all cell types.
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Science / Genetics / Parthenogenesis: The development of an individual from an egg without fertilization. MORE
Science / Genetics / Osteogenesis Imperfecta: A condition also known as brittle bone disease: characterized by a triangular shaped face with yellowish brown teeth, short stature and stunted growth, scoliosis, high pitched voice, excessive sweatin MORE
Science / Biology / Oogenesis: The production of ova. The development of a diploid cell into a haploid ovum or egg cell. MORE
Science / Biology / Oncogenes: Genes that can activate cell division in cells that normally do not divide or do so only slowly. A gene that when over-expressed leads to cancer, but which normally functions in cell division. MORE
Entertainment / Literature / Polygenesis: The theory that, if two similar stories, words, or images appear in two different geographic regions or languages, they are actually unrelated to each other. Each one arose independently. For an analo MORE
Science / Biology / Spermatogenesis: The development of sperm cells from spermatocytes to mature sperm, including meiosis. MORE