Here is Question 14 a) Please answer the following based on your Chi-square good

Question

Here is Question 14 a)

Please answer the following based on your Chi-square goodness-of-fit test results.

(a) Is the difference between the observed and expected numbers of progeny in the F2 generation the result of chance? Do your results support the hypothesis given above in Question 10? Answer yes or no. (0.5 mark)

(b) Briefly explain how you arrived at the answer given in part (a). (1.5 marks)

Please all answers as soon as possible completely

626/2018 lake Test: Assignment 2 (Mendelian Genetics) Summer 2018 uestion Completion Status: Critical values of the X2 distribution 0.0256.63510.7 921012.030 13.08614.860 2.592 2.017 9.0226.757 630410.341 1.340 21.06 26.11 difference exists between the elserved and expeeted values in a chi-aquere test The F2 generation from a dihybrid cross produced a total of 382 bees with long wings and black stripes, 111 bees with short wings and black stripes, 124 bees with long wings and black stripes with white spots, and 33 bees with short wings and black stripes with white spots F1 382 124 You will use the Chi-square goodness-of-fit test to determine whether these values are significantly different from the expected values 10. When we begin a Chi-square goodness-of-fit test, we must first identify a hypothesis. For a genetic cross, we postulate what phenotypic ratio we would expect and then we perform the Chi-square goodness-of-fit test to evaluate how well our observed and expected numbers agree Based on the observed numbers for the different phenotypes of our bees in the F2 generation, we predict that the phenotypic ratio is 9:3:3:1 Explain why this is a reasonable hypothesis for this Chi-square goodness-of-fit ?, Save All Answers

Explanation / Answer

10) In the F2 generation, there are 382 bees with long wings and black stripes, 111 bees with short wings and black stripes, 124 bees with long wings and black stripes, 33 bees with short wings and white spots.

So, in total there are

= 382 + 111 + 124 + 33

= 650

When we divide 650 into 16 equal parts, we will get (650/16) 40 bees. So, we should get bees in the numbers 360, 120, 120 and 40 respectively. The observed numbers are approximately in the ratio of 9:3:3:1.

Please post other questions separately.

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