If a gene had been identified using ngs, as having 50% more transcripts in the hindlimb compared to the forelimb (hindlimb = 1000 transcripts, forelimb = 500 transcripts) could this gene be playing a role in limb specification?

hello there the answer is d

i don't know. if i were you, i would search it up online : d

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation: