Hooked nose is dominant to pointed nose:
NN:
Nn:
nn:

NN- hooked nose Nn- hooked nose nn-pointed nose

Explanation:

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.