If Your Mother and Father Both Are Healthy but Carry

question 40

Multiple Choice

If your mother and father both are healthy but carry the allele for cystic fibrosis, which is caused by a recessive allele, the odds of you inheriting at least one allele for the disorder are ____.

• A) 1/4
• B) 1/2
• C) 3/4
• D) 1
• E) 0

---

Definitions:

Biconditional

A logical relationship between two statements where both or neither are true; often phrased as "if and only if".

Component

A part or element of a larger whole, especially a part of a machine or system.

Disjunct

In logic, an element of a disjunction; a proposition that forms one of the alternatives in a disjunction.

Disjunction

A procedure in computing that outputs true if a minimum of one input value is true.