Albinism Is a Recessive Disorder in Which the Skin and Hair

question 28

Multiple Choice

Albinism is a recessive disorder in which the skin and hair fail to produce pigment.The following question(s) ask you to evaluate the pedigree chart shown here in which "N" is the allele for normal pigmentation and "n" is the allele for albinism.The shaded circles for Deirdre and Shannon represent the only individuals expressing the disorder.
-What is Dawn's genotype?

• A)NN
• B)Nn
• C)nn
• D)NN or Nn

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Definitions:

Interdependence

A relationship between two or more entities in which they are mutually dependent on each other.

Clinical Significance

The practical importance of a treatment's effect, indicating a meaningful improvement in a patient's condition as observed in a clinical setting.

Correlational Studies

Research methods that examine the relationship between two or more variables without manipulating them to determine cause and effect.

Experiments

Scientific procedures undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.