Genetic variation . Genetic variation . is created by the direct action of natural selection tends to be reduced by when diploid organisms produce gametes arises in response to changes in the environment must be present in a population before natural selection can act upon the population

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.