Why Is a Legend Necessary When Constructing a Pedigree That

question 19

Multiple Choice

Why is a legend necessary when constructing a pedigree that includes a health history?

• A)Gender-altering surgeries require either the drawing of both male and female symbols for the same person or the use of a diamond instead of a circle or square.
• B)When a pedigree includes more than three generations, the relationships of members in older (more remote) generations are less clear and must be explained.
• C)The gender of individuals lost in the first trimester of pregnancy cannot be established.
• D)Health problems do not have standard symbols.

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