What determines if a person is positive or negative for his/her blood type?

If vegetable oil is made out of veggies, then what is baby oil made out of?

Which of the following statements are true chromosomes make up genes

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.