Northern burrowing bugs feed on small arthropods that they search for under the

Question

Northern burrowing bugs feed on small arthropods that they search for under the bark of trees. These bugs vary considerably in the width of the pronotum; male bugs show greater variability than do females. Using light traps, you collect all of the bugs in the area, sort them by sex, and measure their pronotum width. By using a male-specific genetic markers you are able to determine which male is the father of each male offspring. The males do not associate with the females after they have mated; therefore any resemblance between males and their offspring is due only to genetics-not environment. The phenotypic variance of the males is 175.2, while the phenotypic variance of the offspring is somewhat less-146.1. The covariance in snout length between males and their offspring is 14.6

Explanation / Answer

Solution:-

option D. 12.0 mm

=>the survive population with mean size of 12 nm

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