Why can a female only pass on an X chromosome to offspring

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.

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.

Which of these parts of the membrane large moecules pass through it ?