The frequency of a mutant gene in a population is expected to increase, if the gene is
Recessive
Dominant
Sex linked
Favourably selected
Each chromosome at the anaphase stage of a bone marrow cell in our body has
Assertion: Polytene chromosomes have a high amount of $DNA$.
Reason: Polytene chromosomes are formed by repeated replication.
$DNA$ gyrase, the enzyme that participates in the process of $DNA$ replication is a type of