Many Inherited Disorders Result from Defective Alleles

question 27

Multiple Choice

Many inherited disorders result from defective alleles.Which of the following genetic combinations is most likely to result in a disorder such as sickle-cell anemia?

• A)Recessive,defective alleles from both parents
• B)A defective,recessive allele from the mother
• C)A defective,recessive allele from the father
• D)One normal allele and one recessive allele from each parent

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Definitions:

Blood Pressure

The force exerted by circulating blood upon the walls of blood vessels, a critical parameter for assessing cardiovascular health.

Heart Rate

The number of times a person's heart beats per minute, indicating cardiovascular health and physical condition.

Respiratory Rate

The number of breaths taken per minute, an essential vital sign indicating the breathing efficiency of an individual.

Infant

A very young child, especially one newly or recently born, generally defined as being between birth and one year of age.