Two Normal Individuals Have a Child Who Has Cystic Fibrosis,an

question 111

Multiple Choice

Two normal individuals have a child who has cystic fibrosis,an autosomal recessive disease.How did this happen?

• A) The mother had two recessive alleles.
• B) The mother had one recessive allele and one normal allele,and the father had two normal alleles.
• C) The mother had two normal alleles,and the father had one recessive and one normal allele.
• D) Each parent had one normal and one recessive allele.
• E) Both parents had two normal alleles.

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Definitions:

Encoding

The process by which information is transformed into formats that can be stored in memory.

Automatization

The process by which tasks become automatic after extensive practice, requiring less cognitive effort to perform.

Storage

In the context of cognition, refers to the retention of information in the memory over time.

Retrieval

The process of accessing and bringing into consciousness information stored in memory.