X-rays cause mutations by: Cytogenetics Mcqs January 22, 2020 BILAL KHATTAK0 A.Altering the chromosome structure B.Routing the nuclear membrane C.Breaking the spindle D.Dissolving the nucleusRelated Mcqs:During amitotic cell division in animals there is:True Nucleus is absent in bacteria because:An autosome means:In prokaryotic cell the nucleus has:Genetic mutations occur in:A radioactive substance gives off Y-rays whenCytoplasm in the cell is:Which of the following is the best explanation for earlier discovery of nucleus that the cell theory:Vacuoles are fluid filled sacs surrounded by a membrane called__________??Extremely long molecule of DNA that is tightly folded to fit inside the cell component is called_____________??