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What is the maximum number of alleles that a given human adult (with 23 pairs of chromosomes) can have at any particular genetic locus?
Henry David Thoreau
A 19th-century American essayist, poet, and philosopher, best known for his book "Walden," a reflection upon simple living in natural surroundings.
George Perkins Marsh
A 19th-century American diplomat and environmentalist considered one of the precursors to the modern environmental movement.
Conservationists
Individuals or groups dedicated to the preservation and protection of the environment and wildlife.
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