Evolution
Evolution
4th Edition
ISBN: 9781605356051
Author: Douglas Futuyma, Mark Kirkpatrick
Publisher: SINAUER
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Chapter 11, Problem 3PDT
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To determine: The selective factors that are responsible for different pattern of differences in clutch sizes of organisms found in low and high latitude regions.

Introduction: A clutch of eggs can be defined as the total number of all eggs which are produced by the species of birds, reptiles, and amphibians at a given single time. These clutches are usually laid in nests by these organisms and play a vital role in determining the overall size of the organisms in a population.

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Q8. A researcher wants to study the effectiveness of a pill intended to reduce stomach heartburn in pregnant women. The researcher chooses randomly 400 women to participate in this experiment for 9 months of their pregnancy period. They all need to have the same diet. The researcher designs two groups of 200 participants: One group take the real medication intended to reduce heartburn, while the other group take placebo medication. In this study what are: Independent variable: Dependent variable: Control variable: Experimental group: " Control group: If the participants do not know who is consuming the real pills and who is consuming the sugar pills. This study is It happens that 40% of the participants do not find the treatment helpful and drop out after 6 months. The researcher throws out the data from subjects that drop out. What type of bias is there in this study? If the company who makes the medication funds this research, what type of bias might exist in this research work?
How do I determine the inhertiance pattern from the pedigree diagram?
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