Offspring tarsus length (mm) 20.4 20.0 19.0 18.0 17.6-y=0.248x + 14.65 Lut 18.4 19.0 20.0 20.4 Female parent tarsus length (mm) 20.4 20.0 19.0 18.0 * 17.6 -y=0.020x + 19.07 18.4 19.0 20.0 20.4 (b) Foster mother tarsus length (mm) (a) 1. Panel (a) shows results from mother-offspring regression estimation of heritability of tarsus length in the pied flycatcher. Panel (b) shows regression of offspring tarsus length against foster mother tarsus length. In this experiment, 54 clutches were exchanged as eggs between parents. The narrow-sense heritability estimate is twice the slope of the regression equations. Briefly explain (no more than 3 sentences) how this cross-fostering experiment helps address the hypothesis that genetic factors play a larger role that early rearing (post-hatching) environment for explaining variation in tarsus length of this bird species.
Offspring tarsus length (mm) 20.4 20.0 19.0 18.0 17.6-y=0.248x + 14.65 Lut 18.4 19.0 20.0 20.4 Female parent tarsus length (mm) 20.4 20.0 19.0 18.0 * 17.6 -y=0.020x + 19.07 18.4 19.0 20.0 20.4 (b) Foster mother tarsus length (mm) (a) 1. Panel (a) shows results from mother-offspring regression estimation of heritability of tarsus length in the pied flycatcher. Panel (b) shows regression of offspring tarsus length against foster mother tarsus length. In this experiment, 54 clutches were exchanged as eggs between parents. The narrow-sense heritability estimate is twice the slope of the regression equations. Briefly explain (no more than 3 sentences) how this cross-fostering experiment helps address the hypothesis that genetic factors play a larger role that early rearing (post-hatching) environment for explaining variation in tarsus length of this bird species.
Chapter33: Aspects Of Global Nutrition
Section: Chapter Questions
Problem 12RQ
Related questions
Question
Transcribed Image Text:20.4
20.4
20.0
20.0아
19.0
19.0
18.0
18.0
17.6-y = 0.248x + 14.65
17.6-y = 0.020x + 19.07
18.4
19.0
20.0 20.4
18.4
19.0
20.0 20.4
(a)
Female parent tarsus length (mm)
(b)
Foster mother tarsus length (mm)
1. Panel (a) shows results from mother-offspring regression estimation of heritability of tarsus
length in the pied flycatcher. Panel (b) shows regression of offspring tarsus length against foster
mother tarsus length. In this experiment, 54 clutches were exchanged as eggs between parents.
The narrow-sense heritability estimate is twice the slope of the regression equations. Briefly
explain (no more than 3 sentences) how this cross-fostering experiment helps address the
hypothesis that genetic factors play a larger role that early rearing (post-hatching) environment
for explaining variation in tarsus length of this bird species.
Offspring tarsus length (mm)
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