Please consider Figure 8.8 (attached below) in the textbook (Figure 8.7 in the 4TH edition), which contains data that were obtained by Clegg et al., is redepicted from their paper that was published in 1980, and for which information is provided on pp. 300-302 in the textbook (pp. 289-291 in the 4TH edition textbook); assess comprehensively the lowercase-Roman-numeral-labelled statements that appear immediately below; and click the uppercase-letter-labelled response that is presented below and conveys the most accurate information. i. At generation 0, the populations were characterised by D = -1 or D = 1. ii. The D value changes could have resulted from processes including crossing over during meiosis. iii. The D values changed by the factor (1- r) each generation. iv. At generation 0, the populations were characterised by D = -0.25 or D = 0.25. v. At generation 0, the populations were characterised by extreme values, representing complete linkage disequilibrium.   Question 1 options:   A)  Statements ii through v inclusive convey accurate information.   B)  Statements i and v convey accurate information.   C)  Statement i conveys accurate information.   D)  Statements ii and iii convey accurate information.   E)  No statements convey accurate information.

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Please consider Figure 8.8 (attached below) in the textbook (Figure 8.7 in the 4TH edition), which contains data that were obtained by Clegg et al., is redepicted from their paper that was published in 1980, and for which information is provided on pp. 300-302 in the textbook (pp. 289-291 in the 4TH edition textbook); assess comprehensively the lowercase-Roman-numeral-labelled statements that appear immediately below; and click the uppercase-letter-labelled response that is presented below and conveys the most accurate information.

i. At generation 0, the populations were characterised by D = -1 or D = 1.

ii. The D value changes could have resulted from processes including crossing over during meiosis.

iii. The D values changed by the factor (1- r) each generation.

iv. At generation 0, the populations were characterised by D = -0.25 or D = 0.25.

v. At generation 0, the populations were characterised by extreme values, representing complete linkage disequilibrium.

 

Question 1 options:

 

A) 

Statements ii through v inclusive convey accurate information.

 

B) 

Statements i and v convey accurate information.

 

C) 

Statement i conveys accurate information.

 

D) 

Statements ii and iii convey accurate information.

 

E) 

No statements convey accurate information.

Starting chromosome frequencies
for blue and magenta populations
Freq. of:
12-0565-0
=0.5=0
=0
Linkage disequilibrium
(correlation of allelic state)
Freq. of.
0
A
b = 0.5
1.0
= 0.5
0.6
0.4
0.2
-0.2
10
-0.4
Starting chromosome frequencies
for purple and gold populations
-0.6
-1.0
0
B
b
B
08:
AB
An
10
A 1
B
ma
30
Generation
Esterase-c: A, a
Esterase-6: B, b
Prediction
Data
Average final chromosome frequencies
across all populations
Freq. of:
Figure 8.8 An empirical demonstration that sexual reproduction reduces link-
age disequilibrium Each of several populations of fruit flies began in complete linkage
disequilibrium (bar graphs at upper and lower left). Over 50 generations, all populations
approached linkage equilibrium (bar graph at right). Redrawn from Clegg et al. (1980);
frequencies in the bar graph at right are inferred from data therein.
= 0.38
B =0.17
= 0.36 = 0.09
A
AB
Ab
自
Transcribed Image Text:Starting chromosome frequencies for blue and magenta populations Freq. of: 12-0565-0 =0.5=0 =0 Linkage disequilibrium (correlation of allelic state) Freq. of. 0 A b = 0.5 1.0 = 0.5 0.6 0.4 0.2 -0.2 10 -0.4 Starting chromosome frequencies for purple and gold populations -0.6 -1.0 0 B b B 08: AB An 10 A 1 B ma 30 Generation Esterase-c: A, a Esterase-6: B, b Prediction Data Average final chromosome frequencies across all populations Freq. of: Figure 8.8 An empirical demonstration that sexual reproduction reduces link- age disequilibrium Each of several populations of fruit flies began in complete linkage disequilibrium (bar graphs at upper and lower left). Over 50 generations, all populations approached linkage equilibrium (bar graph at right). Redrawn from Clegg et al. (1980); frequencies in the bar graph at right are inferred from data therein. = 0.38 B =0.17 = 0.36 = 0.09 A AB Ab 自
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