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5.Molecular Basis of Inheritance
normal
An auxotroph is
A
A plant that responds by bending towards the sun
B
A plant that is able to synthesize its own carbohydrates
C
Mutant which has lost its ability to synthesize one or more essential compounds
D
An organism that depends on another organism for meeting its nutritional requirements
Solution
(c)In $1944$, Beadle and Tatum irradiated Neurospora crassa with $X$-rays and obtained a number of nutritional mutants called auxotrophs.
Standard 12
Biology
Similar Questions
Match List $I$ with List $II$.
| List $I$ | List $II$ |
| $A$. Gene $a$ | $I.\; \beta$-galactosidase |
| $B$. Gene $y$ | $II$. Transacetylase |
| $C$. Gene $i$ | $III$. Permease |
| $D$. Gene $z$ | $IV$. Repressor protein |
Choose the correct answer from the options given below:
