Crossing over takes place between
Two chromosomes
Two non-homologous chromosomes
Two homologous chromosomes
None
$DNA$ multiplication is called
In eukaryotes, $RNA$ polymerase $III$ catalyses the synthesis of
Balbiani rings are found in ……
Which one of the following pairs is correctly matched
The base sequence for a nucleic acid segment is given $CAG, AGG, CGA, CCA$. From this, it can definitely be concluded that it is a segment of