A Common Hypothesis and Casual Assumption Is That Dogs Originated

question 61

Multiple Choice

A common hypothesis and casual assumption is that dogs originated from wolves.Because of the wide range of body sizes and shapes,other hypotheses include dog ancestry of jackals,coyotes,dingos or other wild dog species.In recent years,several studies have been done to clear up the lineage.One study tested the Y chromosome DNA that can only be passed down from male to male,and the other other study tested the mitochondrial DNA because _____.

• A) the mitochondria perform cellular respiration, providing energy to speed up the DNA analysis.
• B) the mitochondrial DNA is much smaller, easier and faster to analyze for the dog lineage.
• C) the mitochondrial DNA is only passed down through females to each new generation.
• D) the mitochondrial DNA records the inherited genetics of all the male and female parents of each generation.

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Definitions:

Unrepresentative Sample

Refers to a subset of a population that does not accurately reflect the demographics or characteristics of the whole population.

Rational Image

A coherent and logical mental representation or concept.

Empirical Support

Refers to evidence that is based on observation, experience, or experiments rather than theory alone.

REP Test

Short for Role Construct Repertory Test, a psychological test for assessing an individual's personal construct system, used to understand how they view the world and themselves.