A gene is always recessive to an allele.
The answer to the question is nucleic acid glad I could be of help if you need any more help at me and I'll try to help when I can
They do not have a distinct head and thorax but a fused version of the two called a cephalothorax. That's one of the major differences between insects and crustaceans, both being subgroups of arthropods.
There are no given choices nor a description on what has taken place in the Virtual Lab, however, possible reasons or combinations leading to hypertension are:
a. genetics and lifestyle - if a person has keens that have this disease and he does not maintain a positive lifestyle he is predisposed to this disease.
b. stress and environment - if a person is constantly exposed to a stressful situation, this could have an effect on his blood pressure, thus leading to hypertension.
D! They are both decomposing dead organic matter and metabolizing it through certain pathways to obtain energy! Hope this helped :)