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: The black awareness ribbon is a symbol of mourning, melanoma, and gang prevention. Meaning: The brown awareness ribbon is an anti-tobacco symbol as well as a symbol of colon cancer (alternative ribbon color: blue), and colorectal cancer (alternative ribbon color: blue).Meaning: The gray awareness ribbon is a symbol of diabetes, asthma, and brain cancer.Meaning: The silver awareness is a symbol for children with disabilities, Parkinson's disease, and mental illnesses such as severe depression, bipolar disorder, schizophrenia, and anxiety disorders.eaning: The gray awareness ribbon is a symbol of diabetes, asthma, and brain cancer. Meaning: The silver awareness is a symbol for children with disabilities, Parkinson's disease, and mental illnesses such as severe depression, bipolar disorder, schizophrenia, and anxiety disorders.