Answer:
Because some of these characteristics may not be adaptive or beneficial in the current environment, and expressing them could reduce the fitness or survival of the offspring.
Step-by-step explanation:
It is important that not all inherited characteristics get expressed in the next generation because some of these characteristics may not be adaptive or beneficial in the current environment, and expressing them could reduce the fitness or survival of the offspring. In addition, not all genetic variations have a strong influence on an individual's phenotype, and some may be masked by dominant alleles or suppressed by environmental factors.
Genetic variation is important for evolution and adaptation, as it provides the raw material for natural selection to act on. By selecting for individuals with traits that are better adapted to their environment, natural selection can promote the survival and reproduction of those individuals, leading to the evolution of new traits and adaptations over time.
If all inherited characteristics were expressed in the next generation, there would be no genetic variation for natural selection to act on, and evolution would not be possible. By allowing for the expression of some traits and the suppression of others, organisms can maintain genetic diversity and adapt to changing environments, ensuring their survival and success over time.