<span>The loss of the gene coding for an orange crest in the bird population described above is an example of <span>genetic drift.
</span></span><span>Genetic Drift is the change in the frequency of an allele in a population due to random sampling of organisms.</span>
        
                    
             
        
        
        
The answer is B and I need 20 characters so I am typing random words
        
             
        
        
        
<span>the way a mineral cleaves reveals its crystal structure. true.
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<span>By definition, a mineral must have a crystal structure.</span>