Which of the Following Phenotypes Is Heterozygous

question 5

Multiple Choice

Which of the following phenotypes is heterozygous?

• A) Fy(a-b+)
• B) Jk(a+b-)
• C) Fy(a+b+)
• D) Le(a+b-)

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Definitions:

Interventricular Septum

The thick wall separating the lower chambers (ventricles) of the heart, preventing oxygen-rich and oxygen-poor blood from mixing.

Chordae Tendineae

Heart strings, or tendinous cords, that connect the papillary muscles to the tricuspid valve and the mitral valve in the heart, preventing inversion.

Venae Cavae

The two large veins (superior and inferior) that return deoxygenated blood from the body to the heart.

Right Atrium

The upper right section of the heart, responsible for taking in blood lacking oxygen from the body and moving it to the right lower chamber.