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

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

A

Very active

B

Insert

C

very active gentically

D

Insert metabolically

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF THE CELL

    DINESH PUBLICATION|Exercise Check your Grasp|16 Videos
  • STRUCTURAL ORGANISATION IN ANIMALS

    DINESH PUBLICATION|Exercise Check your grasp|10 Videos
  • THE CELL : THE BASIC UNIT OF LIFE

    DINESH PUBLICATION|Exercise CHECK YOUR GRASP|11 Videos

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.