The genotype of the Q gene is homozygous dominant because it has 2 dominant genes and when a genotypes has two of the same type of genes it is homozygous. If it has different genes it is heterozygous.
hopefully this helps
Photosynthesis contributes to plant growth by B. taking in carbon dioxide and making sugars (carbohydrates)
Spongy bone consists of plates (trabeculae) and bars of bone adjacent to small, irregular cavities that contain red bone marrow and the canaliculi connect to the adjacent cavities, instead of a central haversian canal, to receive their blood supply
They return nutrients from waste or dead organisms back into the ecosystem to be recycled.