What best describes a person who is 25 pounds overweight and who has tried a variety of diets? s/he defends her or his weight by claiming all of her or his relatives are overweight, and none has successfully lost weight?

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.