For Couples in Which Both Individuals Carry One Defective CF

question 59

Multiple Choice

For couples in which both individuals carry one defective CF gene, any offspring from the couple has a ________ percent chance of inheriting two abnormal genes and developing cystic fibrosis.

• A)100
• B)75
• C)50
• D)25

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Definitions:

SIDS

Sudden Infant Death Syndrome, an unexplained occurrence where an apparently healthy infant dies unexpectedly during sleep, typically within the first year of life.

Language Acquisition Device

A hypothetical module proposed by Noam Chomsky that suggests humans have an innate ability to acquire language.

Grammar

The set of structural rules that governs the composition of clauses, phrases, and words in any given natural language.