MCQ PracticeThe X-chromosome or the X-body was first observed bySubject: BiologyTopic: Genetics And EvolutionAMorgan (1910)BCastle (1910)CBateson (1906)DHenking (1891)Correct Answer: DPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the