🎴 Flashcard Mode
Chromosomal and Molecular Basis of Inheritance Online Quiz
Card1 / 26
Mastered0
Review0
QuestionClick to flip
An actively dividing culture of E. coli with radioactive THYMINE; daughter cells would have
AnswerClick to flip back
A
DNA in both daughter cells would be radioactive
💡 Explanation:
DNA replication is semi-conservative. Each daughter cell receives one original strand and one newly synthesized strand. Since the thymine in the medium is radioactive, the new strands in both daughter cells will incorporate it, making both cells radioactive.