Which of the items is not likely to show an identifiable tool mark? A bone knife missing a chip in its blade
A decades-old hammer used frequently in a workshop
A custom-made serving fork
A lug wrench sold at several auto shops

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

If the frequency of the p allele is .63 in the population then what is the frequency of the q allele?

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.