If you were to lose a sense, which sense would you prefer to lose? Why did you choose that specific sense? How would your life be different without that sense? Could you compensate for the loss of that sense?100 words or more please

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Sixta KovacekLv2

28 Sep 2019

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You are wanting to breed a herd of super-cattle, which will be heavier than other cattle in Nebraska. You start with a population with a mean weight of 1450 lbs. You select the top 20% of your cattle for weight, which has a mean of 1550 lbs. You then breed only the selected cattle together and observe that the mean weight of the offspring is 1475 lbs.

a. What is the narrow-sense heritability for cattle weight for this population of cattle?

b. Your neighborâs herd has a narrow-sense heritability of 40% (or 0.40) for cattle weight. Which herd, yours or the neighborâs, would be best to use to breed the herd of super-cattle?

cyanfrog7

Please answer with as much detail as possible. (Essay format preferred)

What is IPM? Describe the 6 steps of IPM and why each is important. How would go about applying the steps? Put it in the context of a proposed pest problem, e.g., you see what you think are aphids on your roses. Be able to choose between biological, cultural, mechanical and chemical controls. Be able to argue pros and cons of eachâ¦at least in a generalized sense to justify why you chose one specific control over another.

*5. Margaret is studying a population of sunflowers that are genetically variable in a controlled lab setting. She measures the mean and variance of seed set on 1000 individuals. The phenotypic variance in seed number is 30. She picks one plant to self-pollinate and produces 200 genetically identical progeny. The phenotypic variance in seed number in these progeny is 20. Use this information to answer the questions below.

A. Calculate the broad-sense Heritability (H²)

B. What does the broad-sense heritability value tell you about the role of genetics and environment on phenotypic variance in seed number?

C. Margret has decided to leave academia and become a lawyer. She has also decided to bring her sunflowers with her and plant them in her garden. She repeats the experiment described above in her yard, and calculates an H² for seed set to be 0.90. Give two reasons why it is not surprising that this value is different from the one in part A.

D. Researchers determine that the narrow-sense heritability (h²) of seed set in sunflowers is 0.50. These researches undertake a project to increase the number of seeds produced by each plant. The mean number of seeds is currently 75. Plants with a mean of 100 seeds are interbred as parents of the next generation. What mean number of seeds can be expected in this generation?

E. If the narrow-sense heritability in sunflowers is 0.50 how do you explain how Margret calculated an H² of 0.90 for seed set in her garden?