Home
Class 12
BIOLOGY
Assertion : Heterochromatin is genetical...

Assertion : Heterochromatin is genetically inactive.
Reason. : It lacks genes.

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
C

Heterochromatin is a densely packed chromatin matter. It is transcriptionally inactive but it has functional genes.
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion :- DNA is perdominant genetic material. Reason : It is able to generate is replica.

Assertion : Meiosis produces four genetically dissimilar cells. Reason : Crossing over or gene exchange takes place in meiosis.

Assertion :- There occur 64 codons iin dictionary of genetic code Reason : genetic code is quadraplete

Assertion: Genetic engineering is essentially the alteration of the genetic make up of cells by deliberate and artificial means. Reason: It involves transfer or replacement of genes to create recombinant DNA.

Assertion: Bile is not a true digestive juice Reason: Bile lacks digestive enzymes.

Assertion (A ) : Gene flow increase genetic variations. Reason (R ) : The random introduction of new alleles into recipient population and their removal from the donor population affects allele frequency.

Assertion : Monocistronic genes are found in prokaryotes Reason : Polycistronic genes are found in eukaryotes.

Assertion : Ciliates use cilia for locomotion. Reason : Ciliates lack nuclear dimorphism.