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VersionB Key Spring 09

VersionB Key Spring 09 - M ultiple c hoice q uestions e ach...

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Multiple choice questions each worth 1 pt. Choose the one best answer. Bubble in Version B on your Scantron Form. Station l. 1. These plants belong to the same species of Brassica. You saw them in the lab on natural selection (Lab 4). Which treatment(s) represents intermorph competition? a.AandB bBandC G. C and 0 '-7 "M"'" ,,~ c.ye-e-v\ ..... / \{dlt"LU -~n:.-e...t. d.EandF e.CandE 2. In order for evolution by natural selection to occur, your lab manual listed three conditions that must be met. What evidence is there that there is phenotypic variation in the Brassica? a. plants that are green always produce offspring that are green (§)here are green and yellow-green plants_ p ...... z:> J.:~~+- f(~"'t-.,eo c. the presence of the Y allele produces a green plant d. green plants have hlgher fitness than the yellow-green plants e. !lowers are the reproductive structures in the plants 3. If you wanted to test if yellow-green plants have a higher fitness than green plants under the best ossible conditions, what would be the most appropriate co n? Use only the treatments available to you here . .J!:L ~e . the average number of flowers produced by plants in pot E and pot F - 4 __ ec...~'" ; .. -+-q;., .............. -~ ~f.:-htf"" average number of leaves produced by plants in pot A and D-"'5"';"'J (~I~ ~e average number of seeds produced by plants in pot A G" t C<-~"'h· ..... and B _ ~k ... t'; 0~ c .... lw.e. d. the average stem length of the green plants in pot C and the yellow plants in D ~<~..-e-<; i .... ~ 'liC.c.h><e,..rS e. the average number of flowers produced by plants in pot A and C~l;'l h',,,,, pot 0 -I"" k4. c..~ 2
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Station 2. Use the images of the fruit flies to answer the following questions. Recall that in these fruit flies there are tw(l alleles for eye color (5 and s) and two alleles for body color (E !lnd e) and that following is true: 5" red eyes E • brown body 4. What are all the possible genotypes that female H could be? Cf 55",. 5"0 L,::,! e).e~'( .$C,se 7/ c. ssee, SSee /" ee- d. SsEe, SSEE "7'$- e. SSEE,SsEE, SSEe,SsEe S. What evidence suggests that the genes for eye color and body color are
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