The diagram given below represents Human gametes P and Q fusing to form R. R then further develops and produces gametes S , T , U and V. Explain the genetic composition Of all structures involved in the illustration below.​

The present paper is based on extensive survey, collection of ethnobotanical information and review of relevant literature on the vegetable dye yielding resources of Uttarakhand Himalaya. The study reports 106 dye yielding plants (belonging to 63 families), along with their vernacular names, habit, part(s) used, nature of dye and distribution. It also describes preparation of dyeing stuffs, use of mordants and specific dye utilization to serve various purposes, including several of the new dye resources.