A mother who is blood type O can only pass an O allele to her son or daughter. A father who is blood type AB could pass either an A or a B allele to his son or daughter. This couple could have children of either blood type A (O from mother and A from father) or blood type B (O from mother and B from father).
At night, humans can use flashlights to spot animals that possess tapetum lucida by causing a phenomenon called eye shine.. Eye shine is the iridescent glow observed in animals when light is shone into their eyes, which floods the eye with light that is then reflected by the tapetum lucidum.
You ask your friend if theyâre okay. The Asian flush, sometimes called the âAsian glow,â refers to a common reaction to alcohol among East Asians. This facial flushing was found to be a result of a deficiency of a liver enzyme called ALDH2.