Apathogenic bacterium that can be transmitted through the air via droplets is most likely to a. cause a genetic disorder such as cystic fibrosis. b. be used in the production of grain products such as bread. c. cause an infectious disease such as tuberculosis. d. be used in the production of dairy products such as yogurt.

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.

Plz ! what does it mean for an allele to be dominant?