dihybrid cross - hybridization using two traits with two alleles each. monohybrid cross - hybridization using a single trait with two alleles (as in Mendel's experiments with garden peas) reciprocal cross, reciprocal - hybridization involving a pair of crosses that reverse the sexes associated with each genotype.
From Wikipedia, the free encyclopedia. For other uses, see Red ribbon (disambiguation) . The red ribbon, as an awareness ribbon colored red, is used as the symbol for the prevention of abusive drug use and drunk driving and also solidarity of people living with HIV / AIDS.Contents.he red ribbon, as an awareness ribbon colored red, is used as the symbol for the prevention of abusive drug use and drunk driving and also solidarity of people living with HIV / AIDS. Contents.
Meaning: Most commonly associated with breast cancer awareness, the pink awareness ribbon is also a symbol for birth parents, and childhood cancer awareness (alternative color: light blue). We also now have a CafePress.com store offering pink ribbon clothing and pink ribbon items for the home and office.eaning: Meaning: The light yellow awareness ribbon is a symbol of spina bifida. Meaning: Most commonly associated with the fight against AIDS and HIV, the red awareness ribbon is also a symbol for heart disease, stroke, substance abuse, MADD, DARE, Epidermolysis Bullosa, and Reflex Sympathetic Dystrophy.