How is it possible that the f2 generation offspring had some short plants when the f1 generation had no short plants?

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.

What is the process of pulling apart an n2 molecule nevermind i got it

Which was not a reason why canals were built in florida