Malus sieversii modern apple cultivars. Unlike domesticated varieties its leaves go red in autumn: 62.2% of the trees in the wild do this compared to only 2.8% of the regular apple plant or the 2,170 English cultivated varieties. The species is now considered vulnerable to extinction. "Malus sieversii" has previously been identified as the main contributor to the genome of the cultivated apple ("Malus pumila"), on the basis of morphological, molecular, and historical evidence. A DNA analysis in 2010 confirmed "M. sieversii" as the progenitor of the cultivated apple. A third species that has been thought to have made contributions to the
Bonus-malus call center is performing. If the call center is performing poorly, then there would be a malus payment (payment from the call center company to the buyer). If the call center is doing well, then there is a bonus payment from the buyer to the call center company. Bonus-malus payments are in addition to the normal cost of call center services. In insurance, a bonus-malus system (BMS) is a system that adjusts the premium paid by a customer according to their individual claim history. Bonus usually is a discount in the premium which is given on the renewal of the