Anecdotes, passages, or examples are given as evidence to support a point.
<span>Behr syndrome is a disorder mainly characterized by early-onset optic atrophy, ataxia, and spasticity. Other signs and symptoms may be present and vary from person to person. Although the exact cause is unknown, the syndrome is believed to be genetic and inherited in an autosomal recessive fashion, in most cases. Autosomal dominant inheritance has been reported in one family.</span>
<span>Convenience sampling can produce biased research results. TRUE.</span>
The sentence which uses correct punctuation is C. In time, of course, all issues get resolved, but not necessarily in the way you would like.
In A, the comma before <em>he was concerned </em>should be a dash. In B, there should be a colon before <em>a flashlight, </em>not a semi colon. In D, there should be a comma before <em>yet, </em>and not a colon.