How many lone pairs of electrons need to be added to complete this Lewis structure? 
Definitions:
Duchenne Muscular Dystrophy
Genetic disorder that is characterized by a wasting of muscle tissue; displays an X-linked recessive pattern of inheritance.
Sex-Linked Diseases
Disorders that are determined by genes located on sex chromosomes, often affecting one sex more than the other.
Genotype
The genetic makeup of an organism, consisting of all the DNA and genes.
Dominant Trait
A trait that is expressed or visible when a gene variant (allele) is present, even when its counterpart allele is a different variant.
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