TanzilaMallickDoa

20.genome 19.nonvirulent 18.virulent 17.streptococcus pneumonia 16.genetic transformation 15.chromosomes 14.inheritance 13.gene function 12.genetic code 11.replication 10.mutation 9.cell 8.traits 7.offspring 6.frederick griffith 5.gene 4.dna 3.requirements for it 2.hereditary material . 1.heredity