Many of Darwin's Contemporaries Argued That Discontinuous Variation Is the Reason

question 47

Multiple Choice

Many of Darwin's contemporaries argued that discontinuous variation is the reason that complex traits evolve. However, Darwin reasoned that discontinuous traits do not play a major role because

• A) since they lack continuity, discontinuous traits would be rapidly selected against.
• B) discontinuous traits, although common, are rarely inherited.
• C) the probability of several novel mutations that work together arising at once is so high that there are mechanisms that immediately destroy them.
• D) the probability of several novel mutations that work together to make a functioning trait arising all at once is almost zero.

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