Explain the possible reasons for the observed differences in the sample means. Account for the differences in the sample means of P1 and P2. Similarly, account for the differences in the sample means of the F1 and F2. Compare the difference in the parental generations with that in the filial generations.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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  1. Explain the possible reasons for the observed differences in the sample means. Account for the differences in the sample means of P1 and P2. Similarly, account for the differences in the sample means of the F1 and F2. Compare the difference in the parental generations with that in the filial generations.
B. The mean and standard deviation of plant height from two rice plants (P₁ and P₂) and their
progeny (F₁ and F₂) and a backcross generation (P₁ x F₁) are shown below. Complete the table by
calculating the variances and coefficient of variation for each population and answer the questions
which follow.
Population
P₁
P₂
F₁
F₂
BC1
Mean (in)
82.2
25.3
52.7
56.6
65.4
Standard
Deviation
0.7
1.2
1.3
1.7
1.1
Variance
0.49
1.44
1.69
2.89
1.21
Coefficient of
Variation (CV)
0.85
4.74
2.47
3.00
1.68
Transcribed Image Text:B. The mean and standard deviation of plant height from two rice plants (P₁ and P₂) and their progeny (F₁ and F₂) and a backcross generation (P₁ x F₁) are shown below. Complete the table by calculating the variances and coefficient of variation for each population and answer the questions which follow. Population P₁ P₂ F₁ F₂ BC1 Mean (in) 82.2 25.3 52.7 56.6 65.4 Standard Deviation 0.7 1.2 1.3 1.7 1.1 Variance 0.49 1.44 1.69 2.89 1.21 Coefficient of Variation (CV) 0.85 4.74 2.47 3.00 1.68
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