Explain the difference between dominant and recessive genes, and provide an example of each one.
Analyze the table below and answer the question that follows. If the ability to roll one’s tongue is dominant (R) and the inability to roll one’s tongue is recessive (r), what are the possible genotypes for someone who can roll their tongue?

Summarize the nature versus nurture debate, and explain how contemporary theorists view this debate.
Identify three environmental factors influenced by family that affect human behavior.
Define chromosome, DNA, and gene. Describe their relationship.
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