Which of the Following Is Correct

question 10

Multiple Choice

Which of the following is correct?

• A)The United States has an obesity epidemic.
• B)Over 800 million people in the world are hungry and malnourished.
• C)Since the earliest of recorded history,humans have practiced plant breeding by artificial selection.
• D)The wild perennial grass teosinte gave rise to modern corn.
• E)All of the above are correct.

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Definitions:

Observable Variation

Differences in appearance, physiology, or behavior among individuals of a species that can be readily observed.

Alleles

Alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.

Environment

The sum of all external conditions and influences affecting the life and development of organisms.

Genetic Variability

The variation in the DNA sequence in each of our genomes, which is a key factor in the survival and evolution of species.