Characteristics determined by genes are predisposed by their genetics, whereas characteristics determined by the environment are developed, not predisposed at birth.
When working out, it's important to not only craft and individualized workout that works best for your body, but to make each workout focus on a specific area of the body, so that each area gets a particular amount of focus.
A because it is used to treat known diseases.
Answer:
The two situations in which it would be important/useful to be able to predict the phenotype and/or genotype of offspring from a cross include Genetic counseling before marriage so as to enlighten the individuals on the importance and to reduce the risk of having sickle cell offsprings.
The other reason is for paternity and maternity tests. The genotypes and phenotypes are important factors in knowing the paternity of individuals due to the knowledge of genotypic and phenotypic constituents of the individual.
Most organisms can tolerate a very narrow pH range close to neutral, i.e., around pH 7. It is likely that there would not be much life in the lake at pH 3. Once the pH increases to above 5.5 to 6, it is more likely that life would begin to survive. Once the pH rises to above around 9, the solution is starting to become basic, and once again, few organisms will survive.