When Biologists Bradshaw and Schemske Studied the Genetic Makeup of Mimulus

question 4

Multiple Choice

When biologists Bradshaw and Schemske studied the genetic makeup of Mimulus lewisii and Mimulus cardinalis,what hypothesis were they testing?

• A) M. lewisii and M cardinalis are different species.
• B) Mutation in a single gene could cause a change in flower color and thus pollinator.
• C) M. lewisii and M cardinalis are the same species.
• D) Mutation in multiple genes over a long period of time is required to change flower color and pollinators.
• E) Pollinators do not choose which flowers to pollinate based on color.

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