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A. DNA
Explanation: DNA is what makes the genes and genes get passed on from one generation from the next meaning it’s hereditary
Answer:
Explanation:The ability of a molecule to travel across a membrane depends on its concentration, charge and size. In general, molecules diffuse across membranes from areas of high concentration to low concentration. Cell membranes prevent charged molecules from entering the cell unless the cell maintains an electrical potential
Answer:
Each cell has an identical set of chromosomes
