Answer: b.will always be lost
Explanation:Mutations are sudden heritable changes that can be transferred from a generation to another. There are various kind of mutation;
1. Forward Mutation- This is a change from a wild type to a mutant.
Wild type is the common phenotype known to a spieces a sudden change to another phenotype outside the original is forward mutation E.g Allele A changes to allele a.
This Allele A will there fore be lost and the new allele effect will be seen. Forward mutation is very low in the population
Reverse mutation is change from a mutant gene to a wild type. A mutant phenotype changing to a wild type. Reverse restores forward mutation.
