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.
Probably the two most well-known awareness ribbons are; the red ribbon in support of those with acquired immunodeficiency syndrome (AIDS); and the pink ribbon which denotes breast cancer awareness. The meaning behind the awareness ribbon depends on its color(s). Many different groups, foundations and organizations have adopted these ribbons as symbols of support or awareness - as a result, various causes may often share the same, or similar, ribbon color(s).