1. The story is talking about the dogs fur color.
2. The alleles are BB, bb, and Bb
3. The BB or black fur is dominant
        
             
        
        
        
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The answer is osteoporosis
Osteoporosis is a condition when the bone(osteo) density is decreased, makes them look like having pore or spongy. It is found frequently in the elder woman that has been menopause for a few years.
Estrogen has a role in bone remodeling which causes a protective effect on woman before menopause. 
        
             
        
        
        
The observed the pairing under a microscope!
hope this helps, Castonmehi! :)
        
                    
             
        
        
        
Theres no picture in this question