The Fact That Usher Syndrome Is an Autosomal Recessive Disorder

question 38

Multiple Choice

The fact that Usher syndrome is an autosomal recessive disorder means that

• A)both parents must carry the gene,and there is a 50% chance of the child having the syndrome.
• B)one parent can carry the gene,and there is a 25% chance of the child having the syndrome.
• C)both parents must carry the gene,and there is a 25% chance of the child having the syndrome.
• D)one parent can carry the gene,and there is a 50% chance of the child having the syndrome.

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Marginal Cost

The additional cost incurred by producing one more unit of a product or service.

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Average Variable Costs

The total variable costs (costs that change with production volume) divided by the total output.

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The process of fixing or restoring something that is broken or damaged to bring it back to a good condition.