Assertion: Polytene chromosomes have a high amount of $DNA$.
Reason: Polytene chromosomes are formed by repeated replication.
Assertion: Polytene chromosomes have a high amount of $DNA$.
Reason: Polytene chromosomes are formed by repeated replication.
- [AIIMS 2006]
- A
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
- B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
- C
If the Assertion is correct but Reason is incorrect.
- D
If both the Assertion and Reason are incorrect.
Similar Questions
Ocazaki fragment were formed
Ocazaki fragment were formed
"Cytochimeras'' means
"Cytochimeras'' means
Match the following genes of the Lac operon with their respective products.
$(a)\; i$ gene
$(i)\; \beta-$galactosidase
$(b)\; z$ gene
$(ii)$ Permease
$(c)\; a$ gene
$(iii)$ Repressor
$(d)\; y$ gene
$(iv)$ Transacetylase
Select the correct option.
$(a)\quad (b)\quad (c)\quad (d)$
Match the following genes of the Lac operon with their respective products.
| $(a)\; i$ gene | $(i)\; \beta-$galactosidase |
| $(b)\; z$ gene | $(ii)$ Permease |
| $(c)\; a$ gene | $(iii)$ Repressor |
| $(d)\; y$ gene | $(iv)$ Transacetylase |
Select the correct option.
$(a)\quad (b)\quad (c)\quad (d)$
- [NEET 2019]
Barbara McClintock is famous for her work on
Barbara McClintock is famous for her work on
- [AIIMS 1984]
During infection of $\mathrm{E}$. coli cells by bacteriophage $T2$,
During infection of $\mathrm{E}$. coli cells by bacteriophage $T2$,