What is the average degree of relatedness

Assignment Help Biology

Reference no: EM133418198

Question: Researchers found that in the Florida Scrub Jay, mated pairs with a helper produced twice as many offspring as mated pairs without a helper. It was also found that of 74 nests with helpers, the helpers related to the mated pair in the following ways:

No. nests Relationship of mated pair to helper

48 mother and father

16 father and stepmother

2 mother and stepfather

7 brother and unrelated mate

1 unrelated

With this information, answer the following questions (10 points).

a. What is the average degree of relatedness (r) between the helpers and the individuals they assisted?

b. What is the magnitude of the benefit of altruism (B) in this species?

c. According to Hamilton's rule, what is the maximum cost of altruism (C) in this species that is consistent with the evolution of altruism by kin selection?

Reference no: EM133418198

Questions Cloud

How the altered microscopic structure of the lung tissue : How the altered microscopic structure of the lung tissue in individuals suffering from emphysema leads to difficulty with breathing

Why is it that the u.s. and individual state governments : Why is it that the U.S. and individual state governments can continuously get away with fostering environmental injustice?

Describe method of paying for health care services : Describe method of paying for health care services. How does this method impact how healthcare services are delivered? What are some limitations of this method

Dna structure be harmful to a species : DNA structure be harmful to a species? How might such alterations be beneficial? What type of genetic change is most important for evolution

What is the average degree of relatedness : What is the average degree of relatedness between the helpers and the individuals they assisted? b. What is the magnitude of the benefit of altruism

What are the outcomes of testosterone therapy : For transgender men, what are the outcomes of testosterone therapy?For transgender women, what are the outcomes of hormone blockers and estrogen hormone therapy

Robust proposed healthcare policy brief testimony : Choose a specific policy-making group, such as a legislative body or committee. Present a robust proposed healthcare policy brief testimony

Explain how these changes have influenced or shaped : explain how these changes have influenced/ shaped the development of disability policies and services in Australia, and how this in turn has impacted people

How well prepared do you think you were : How well prepared do you think you were? How do you think you did/what grade do you think you earned? Was the exam whatyou expected

User Account

All Pages