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Maria is strongly opposed to the current emphasis on diagnosing U.S. children with attention-deficit/hyperactivity disorder (ADHD), while Chilo argues that this category is valid and lifesaving. First, make Maria's case, and then make Chilo's case.
Glabrous Elytra
Refers to beetle wings (elytra) that are smooth and lack hair or any kind of surface structure.
Balancing Selection
Describes the type of selection that favors more than one allele. This process acts to maintain genetic diversity in a population by keeping alleles at frequencies higher than would be expected by chance or mutation alone.
Frequency-Dependent Selection
A selection process where the fitness of a phenotype depends on its frequency relative to other phenotypes in a given population.
Inbreeding
The breeding of closely related individuals, increasing the chance of offspring inheriting genetic recessive traits.
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