The chances of a YY chromosome combination occurring in humans as a result of normal meiotic division and normal genetic fusion is

Which pattern most likely came from a gunshot and which one was produced from a blow on the head? explain your answer?

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.

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute