Because many of the organells in the different cells tend to give the cells their shape including the cytoplasm.
B. A panther was believed to be a different species but later it was found that panthers were just jaguars and other big cats with a dark coat.
Answer:
Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.