c) Five years later, you go back and measure wing-length in this bird population again. Every bird in the population has a wing-length of 14 cm. What is the heritability of wing-length in this population now? V [ Select ] heritability = 0.67 heritability = 0.34 %3D heritability = 0 heritability = 1

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN:9781305967359
Author:STARR
Publisher:STARR
Chapter40: Population Ecology
Section: Chapter Questions
Problem 1SA: Most commonly, individuals of a natural population show a __________ distribution through their...
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part c 

A species of bird shows variation in wing-length (measured from the bird's shoulder to the tip of the
longest feather).
You measure wing-length in a population of these birds and find a mean wing-length of 13 cm. You
calculate a heritability of wing-length to be 1.
That summer, there is a severe drought. Many of the birds die and only a few survive to reproduce. The
surviving birds have a mean wing-length of 16 cm.
a) What is the predicted mean wing-length of the offspring of the surviving birds?
[
[ Select ]
b) What type of selection was acting on wing-length in these birds? I Select ]
c) Five years later, you go back and measure wing-length in this bird population again. Every bird in the
population has a wing-length of 14 cm. What is the heritability of wing-length in this population now?
V [ Select ]
heritability
= 0.67
heritability = 0.34
%3D
heritability = 0
heritability
= 1
Transcribed Image Text:A species of bird shows variation in wing-length (measured from the bird's shoulder to the tip of the longest feather). You measure wing-length in a population of these birds and find a mean wing-length of 13 cm. You calculate a heritability of wing-length to be 1. That summer, there is a severe drought. Many of the birds die and only a few survive to reproduce. The surviving birds have a mean wing-length of 16 cm. a) What is the predicted mean wing-length of the offspring of the surviving birds? [ [ Select ] b) What type of selection was acting on wing-length in these birds? I Select ] c) Five years later, you go back and measure wing-length in this bird population again. Every bird in the population has a wing-length of 14 cm. What is the heritability of wing-length in this population now? V [ Select ] heritability = 0.67 heritability = 0.34 %3D heritability = 0 heritability = 1
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