the process by which gametes are meiosis produced from a parent cell an abnormal condition in which a cell monosomy "mono-" means one has only one of any autosome the process by which any gamete can random fertilize any other gamete, for example fertilization any sperm fertilizing an egg sex chromosomes that genetically X and Y in humans chromosomes determine gender an abnormal condition in which a cell trisomy "tri-" means three has 3 copies of any chromosome the single celled product of the union of zygote an egg and sperm (gametes)
meiosis the process by which gametes are produced from a parent cell monosomy an abnormal condition in which a cell has only one of any autosome "mono-" means one random fertilization the process by which any gamete can fertilize any other gamete, for example any sperm fertilizing an egg sex chromosomes chromosomes that genetically determine gender X and Y in humans trisomy an abnormal condition in which a cell has 3 copies of any chromosome "tri-" means three zygote the single celled product of the union of an egg and sperm (gametes)