Molecular Basis Of Inheritance Ques 59
59. Experimental material in the study of DNA replication has been
(a) Escherichia coli
(b) Neurospora crassa
(c) Pnеитососсиs
(d) Drosophila melanogaster
Show Answer
Answer : a
Hints & Solution
(a) Meselson and Stahl (1958) raised Escherichia coli on ammonium chloride having heavy isotope of nitrogen for several generations to study semi-conservative replication of DNA.
BETA
