What is a dominant and recessive allele

Ineed to know why d is the correct answer asap

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.

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called