Unattached Earlobes Are a Dominant Trait in Humans

question 42

Multiple Choice

Unattached earlobes are a dominant trait in humans. Which phenotype is most likely for an individual with the genotype EE?

• A) both earlobes are unattached
• B) both earlobes are attach
• C) the right earlobe is attached and the left earlobe is unattached
• D) the right earlobe is unattached and the left earlobe is attached
• E) both earlobes are extremely elongated

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Definitions:

Photosynthetic Mesophyll

The layer of cells in a leaf where most photosynthesis occurs, rich in chloroplasts.

Gas Exchange

The process by which oxygen is taken in and carbon dioxide is released out, occurring in the lungs and tissues or in the cells and environment for organisms.

Transpiration

The process by which plants absorb water through the roots and then give off water vapor through pores in their leaves.

Perspiration

The process of sweating, through which the body releases excess heat and water.