Achange in population of one organism results of the increase in grasshopper population decrease in grass population change could have caused these changes

Describe how alleles and genes are related

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.

Which characteristic should describe all evidence collected by a scientist? true obvious objective subjective