Could the Characteristic Followed in the Pedigree Be Caused by an Autosomal

question 27

Multiple Choice

Could the characteristic followed in the pedigree be caused by an autosomal dominant disease? Why or why not?

• A)Yes, all individuals fit the autosomal dominant inheritance pattern.
• B)No, the offspring of I-1 and I-2 contradict an autosomal dominant inheritance.
• C)No, the offspring of I-3 and I-4 contradict an autosomal dominant inheritance.
• D)No, the offspring of II-3 and II-4 contradict an autosomal dominant inheritance.
• E)Yes, the offspring of I-1 and I-2 are consistent with an autosomal dominant inheritance pattern.

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Definitions:

Parabola

The graph of a quadratic function, represented as a symmetric curve that opens either up or down.

Focus

A point used in the definitions of conic sections, such as ellipses and hyperbolas, from which distances are measured to define the curves.

Vertex

The point where two lines, or edges, of a geometric figure meet; in the context of a parabola, the peak or the lowest point, depending on its orientation.

Circle

A round plane figure, every point of which is equidistant from a fixed center point, defined by the equation (x-h)^2 + (y-k)^2 = r^2 in a coordinate plane.