The Only Survivors of a Colony on Venus Are a Man

question 49

Multiple Choice

The only survivors of a colony on Venus are a man and a woman, who both happen to originally be from southern Ukraine. Their descendants will show the effect of ____.

• A) genetic drift
• B) punctuated equilibrium
• C) excessive mutation
• D) heterozygote advantage
• E) frequency-dependent selection

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Definitions:

Regression

Regression in geology refers to the retreat of the sea from the land, resulting in the exposure of previously submerged areas, often indicating a relative drop in sea level or uplift of the land.

Subduction

The process by which one tectonic plate moves under another plate and into the mantle, often associated with volcanic activity.

Mudcracks

Patterns of cracks formed by the drying of mud, indicative of alternating wet and dry conditions, found in both modern and ancient sediments.

Cross Beds

Layers of rock that are inclined relative to the horizontal surface, typically formed by wind or water currents.