- Did you notice any pattern between the heterosis level and trait classification? What pattern is it?  - How do you interpret a negative heterosis value?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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- Did you notice any pattern between the heterosis level and trait classification? What pattern is it? 

- How do you interpret a negative heterosis value?

Purebred Parents
Mean
Australian
Performance Heterosis
of F1
Traits
Holstein
Friesian
Mean
Friesian
Sahiwal
Age at First
Calving (month)
Total Milk Yield
40
0.25
45
35
30
3000
0.17
3,100
2,900
3,500
(liter / lactation)
Fat Yield (kg)
120
120
120
130
0.08
Transcribed Image Text:Purebred Parents Mean Australian Performance Heterosis of F1 Traits Holstein Friesian Mean Friesian Sahiwal Age at First Calving (month) Total Milk Yield 40 0.25 45 35 30 3000 0.17 3,100 2,900 3,500 (liter / lactation) Fat Yield (kg) 120 120 120 130 0.08
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