Summarize how cells grow and divide cell cycle. Explain the importance of mitosis to organisms. Draw or illustrate how chromosomes separate during mitosis. Describe how the transport of materials in and out of cells enables cells to maintain stability. Explain how the shape of cells is related to their functions.
Genes are segments of DNA molecules that provide instructions for synthesizing proteins.
Although the sequences of DNA differ between organisms and species, the actual DNA code is the same for all living things. Changes in the DNA can alter genetic expression. These genes that are found on the DNA within chromosomes show predictable patterns of inheritance. Many organisms, however, may pass on genetic information without genetic recombination. Compare sexual and asexual reproduction.