Q2. The table shows concordance for height between monozygotic and dizygotic twin pairs from birth to the age of eight years. A concordance of 1 indicates that the twins are identical in height. Concordance for height between Age monozygotic twin pairs dizygotic twin pairs of the same sex Birth 3 months 6 months 12 months 24 months 0.62 0.78 0.80 0.86 0.79 0.72 0.67 0.66 З years 5 years 8 years 0.89 0.93 0.94 0.94 0.54 0.56 0.51 0.49 Completed forms to be made available for external moderation. (а) If height were entirely genetically controlled, what concordance would you expect between monozygotic twin pairs? Explain your answer. (b) Does data for eight-year-old twins suggest that height is largely controlled by genetic factors? Explain you answer.

Curren'S Math For Meds: Dosages & Sol
11th Edition
ISBN:9781305143531
Author:CURREN
Publisher:CURREN
Chapter16: Adult And Pediatric Dosages Based On Body Surface Area
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Assessment criteria 1.2
Q2. The table shows concordance for height between monozygotic and dizygotic twin pairs
from birth to the age of eight years. A concordance of 1 indicates that the twins are identical in
height.
Concordance for height between
Age
monozygotic twin pairs dizygotic twin pairs of the same
sex
Birth
3 months
0.62
0.78
0.80
0.86
0.89
0.79
0.72
6 months
12 months
24 months
0.67
0.66
0.54
3 years
5 years
8 years
0.93
0.94
0.56
0.51
0.49
0.94
Completed forms to be made available for external moderation.
(a)
If height were entirely genetically controlled, what concordance would you expect
between monozygotic twin pairs? Explain your answer.
Does data for eight-year-old twins suggest that height is largely controlled by genetic
(b)
factors? Explain you answer.
(c)
Suggest an explanation for the low concordance at birth for monozygotic twins.
Transcribed Image Text:AaBbCcDdE AaBb AaE b x, x A eu Av 目=== 三、 Normal No Spacing Heading 1 Heading 2 Title Styles Pane Di Assessment criteria 1.2 Q2. The table shows concordance for height between monozygotic and dizygotic twin pairs from birth to the age of eight years. A concordance of 1 indicates that the twins are identical in height. Concordance for height between Age monozygotic twin pairs dizygotic twin pairs of the same sex Birth 3 months 0.62 0.78 0.80 0.86 0.89 0.79 0.72 6 months 12 months 24 months 0.67 0.66 0.54 3 years 5 years 8 years 0.93 0.94 0.56 0.51 0.49 0.94 Completed forms to be made available for external moderation. (a) If height were entirely genetically controlled, what concordance would you expect between monozygotic twin pairs? Explain your answer. Does data for eight-year-old twins suggest that height is largely controlled by genetic (b) factors? Explain you answer. (c) Suggest an explanation for the low concordance at birth for monozygotic twins.
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