The answer is A: Collagen
Label B is pointing t on the nervous
Depending on the F1 generation (parent) phenotype we can determine whether or not it is homozygous or heterozygous. Also, check to if the F2 grey seeded plant is a mixture of Black and white or if grey is a dominant color. If it is a mixture, it would make it heterozygous. If not and Grey is domminant it would make it homozygous.
Answer:
Water
Explanation:
Osmosis is the diffusion of water through cell membranes.
Hope this helps