Farmer John decides to increase the weight of the eggs produced by his chickens. The average weight of his eggs is 10 grams. He knows that the heritability of egg weight is 0.5. He selects for chickens producing eggs that are 18 grams. The expected average weight of the resulting eggs is:

Question

Winston Berger

Biology

12 December, 18:43

Farmer John decides to increase the weight of the eggs produced by his chickens. The average weight of his eggs is 10 grams. He knows that the heritability of egg weight is 0.5. He selects for chickens producing eggs that are 18 grams. The expected average weight of the resulting eggs is:

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Answers (1)

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Sheldon Schwartz · Answer 1

13-15 grams ...

Explanation:

If only 50% of weight genes are transferred as seen in 0.5 probability then the ideal weight will be 14 grams (9 grams from first and 5 grams from the 2nd and so ...). But due to the genetic anomalies the range should be taken as 13-15 grams with a confidence interval of 95% ...