3. The fruit fly species, Drosophila biarmipes, gained its spots by a mutation in a single gene. a) Describe, in detail, the mutation that occurred in these fruit flies to give them their spots. b) Describe, as completely as possible, the information you would need to determine how long it would take for a new mutation that has the same effect (causes wingspots) to appear in a population of fruit flies that didn't have the spots but are closely related to the D. biarmipes.
3. The fruit fly species, Drosophila biarmipes, gained its spots by a mutation in a single gene. a) Describe, in detail, the mutation that occurred in these fruit flies to give them their spots. b) Describe, as completely as possible, the information you would need to determine how long it would take for a new mutation that has the same effect (causes wingspots) to appear in a population of fruit flies that didn't have the spots but are closely related to the D. biarmipes.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
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The fruit fly species, Drosophila biarmipes, gained its spots by a mutation in a single gene.
a) Describe, in detail, the mutation that occurred in these fruit flies to give them their spots.
b) Describe, as completely as possible, the information you would need to determine how long it
would take for a new mutation that has the same effect (causes wingspots) to appear in a
population of fruit flies that didn't have the spots but are closely related to the D. biarmipes.
c) Arrange that information into a formula that would allow you to calculate how many years
it would take for such a mutation to appear in that population (include units for each
numerical value!)
d) What two factors would determine the rate at which such a mutant allele would spread
through a given population after it appeared?
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