Biology 2313 Fall 05 Final exam / Biology2313 Fall 05 Final exam: GRADED A | 100% CORRECT, UNIVERSITY OF TEXAS
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Course
BIO 2313 (BIOLOGY2313)
Institution
UNIVERSITY OF TEXAS
Biology 2313 Fall 05 Final exam / Biology2313 Fall 05 Final exam: GRADED A | 100% CORRECT, UNIVERSITY OF TEXASBiology 2313 Fall 05 Final exam / Biology2313 Fall 05 Final exam: GRADED A | 100% CORRECT, UNIVERSITY OF TEXASBiology 2313 Fall 05 Final exam / Biology2313 Fall 05 Final exam: GRADED A | 10...
1) In a cross of two flies +/vg Cy/+ +/se +/ab X +/vg +/+ se/se +/ab what
proportion of the offspring will be mutant in phenotype for all four markers?
A. 0
B. 3/64
C. 1/16
D. 1/32
E. 1/64
2) In a cross of AaBbCcDdEe X AaBbccddEE, what proportion will have the
ABCDE phenotype?
A. 0
B. 9/128
C. 9/64
D. 27/128
E. 27/512
3) What is the correct order for genes responsible for determining embryonic
structure in Drosophila melanogaster?
A. Gap, pair rule, bicoid, segment polarity
B. bicoid, Gap, pair rule, segment polarity
C. bicoid, segment polarity, Gap, pair rule
D. segment polarity, Gap, pair rule, bicoid
E. Gap, segment polarity, pair rule, bicoid
4) Assume a three-point cross in which uu bb+ mm+ was crossed to uu+ bb mm
and the offspring had the following genotypes:
uu bb+ mm+ 782
uu+ bb+ mm 3
uu+ bb mm+ 68
uu+ bb+ mm+ 172
uu bb mm 128
uu bb+ mm 82
uu bb mm+ 7
, uu+ bb mm 758
What is the order of the genes?
A. ubm
B. mub
C. bmu
5) What is the closest to correct map
A. m.........7.5..........b................15.............u +++++
B. b............7.5.......m................15.............u
C. u...........7.5........m................15.............b
D. m...........7.5........u................15.............b
E. u...............7.5....b................15.............m
6) Using the map distances of 7.5 and 15, what is the closest value to the
interference?
A. .40
B. .45
C. .50
D. .55
E. .60
7) A three point cross is carried out and the following offspring recovered
S J + 150
S + + 10
+ + + 90
+ + C 150
S J C 100
What is the correct order of the genes?
A. S J C
B. C S J
C. J C S
8) Which of the following is closest to the correct map
A. S 10 J 20 C
B. J 2 S 38 C
C. S 2 J 38 C
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