Uit flies are commonly used in genetic investigations that focus on traits passed from parents to offspring over several generations. what can you infer is the reason fruit flies are the most commonly used organism for this type of investigation?

Secondary succession would most likely be taking place in a(n)

What molecule contains an organisms genetic material, passed down from parents to their offspring

Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.