What Is the Recurrence Risk for Parents of a Child

question 7

Multiple Choice

What is the recurrence risk for parents of a child with nonsyndromic cleft lip and/or palate with their next pregnancy?

• A)3% to 5%
• B)25% to 50%
• C)30% to 45%
• D)10% to 15%
• E)5% to 10%

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Definitions:

Gazelle Jumps

Adaptive, acrobatic leaps performed by gazelles to avoid predators, often seen as an effective escape mechanism.

Group Selection

Selection arising from variation in fitness among groups.

Reproductively Altruistic

Behavior by an individual that reduces its own reproductive success while boosting the reproductive success of others.

Evolutionary Trade-Off

Situations in which one trait is favored by natural selection, but at the expense of another trait, often due to resource limitations.