It could be a common ancestry among organisms.
Each cell expresses, or turns on, only a fraction of its genes. The rest of the genes are repressed, or turned off.
The turned on genes are then first transcribed into messenger RNA by the process of Transcription.
Then the mRNA is Translated into protein by the process called Translation.
This is how the specific genes are expressed.
The answer u r looking for is- D, Nuclear Envelope. Hope I’ve helped ;)
Gene (DNA) expression would be B
<span>If you belong to the blood group 0, you have no A or B antigens on the surface of your red blood cells but you do have A and B antibodies in your blood plasma.</span>
