Coronavirus disease 2019 (COVID-19) is a major threat to world health and safety, making it the primary concern of global community that requires immediate preventive measures. Several organs are affected by this simultaneously with possible long-lasting sequelae. Disease pathogenesis influenced by, type virus its mutation, number viruses, individual’s immune system their age, gender, nutrition...

PREMISE OF THE STUDY The mating system is an important component of the complex set of reproductive isolation barriers causing plant speciation. However, empirical evidence showing that the mating system may promote reproductive isolation in co-occurring species is limited. The mechanisms by which the mating system can act as a reproductive isolation barrier are also largely unknown. METHODS ...