If Darwin Had Been Aware of Genes, and of Their

question 42

Multiple Choice

If Darwin had been aware of genes, and of their typical mode of transmission to subsequent generations, with which statement would he most likely have been in agreement?

• A) If natural selection can change one gene's frequency in a population over the course of generations then, given enough time and enough genes, natural selection can cause sufficient genetic change to produce new species from old ones.
• B) If an individual's somatic cell genes change during its lifetime, making it more fit, then it will be able to pass these genes on to its offspring.
• C) If an individual acquires new genes by engulfing, or being infected by, another organism, then a new genetic species will be the result.
• D) A single mutation in a single gene in a single gamete will, if perpetuated, produce a new species within just two generations.

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