consider the experiment by meselson and stahl that proved the mode of dna replication. starting with bacterial cells grown in 15n nitrogren, what would you expect the ratios of dna molecules to be following two generations in medium containing 14n. question 26 options: 25% 15n15n dna: 50% 15n14n dna: 25% 14n14n dna 50% 15n15n dna : 50% 15n14n dna 25% 15n14n dna: 75% 14n14n dna 50% 15n15n dna: 50% 14n14n dna 50% 15n14n dna: 50% 14n14n dna
