Are different forms of the same gene that are always found on the same position of two homologous chromosomes

Me with these questions image attached

Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. because of this, we would expect osteoblasts to contain numerous a) nuclei. b) ribosomes. c) lysosomes. d) golgi bodies.

Ecology can best be described as the study of what