Based on the total number of kernels of corn you counted, calculate the expected number for each phenotype if the parents of this corn were both PpSs. Show how you calculate these numbers below and then transfer them to the observation table
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- Based on the total number of kernels of corn you counted, calculate the expected number for each
phenotype if the parents of this corn were both PpSs. Show how you calculate these numbers below and then transfer them to the observation table
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- Using the numbers of observed F2 progeny provided in the table (attached picture), write a proper hypothesis of your expectations for the phenotypic ratios in the F2 generation and use this to complete the rest of the table.When a chi square test is applied to solve a linkage problem, explain why an independent assortment hypothesis is proposed.shows the results of a dihybrid cross involving seed shape and seed color. a. What proportion of the round and yellow F2 progeny from this cross is homozygous at both loci? b. What proportion of the round and yellow F2 progeny from this cross is homozygous at least at one locus?
- Based on the data, which trait do you think is dominant versus recessive? Explain the information you used to help you determine this. Based on your answer, how would you write the genotypes of the original parental generation for this cross?The mean and standard deviation of plant height from two rice plants (P1 and P2) and their progeny (F1 and F2) and a backcross generation (P1 x F1) are shown below. Interpret the CV results from each population.A plant believed to be heterozygous for a pair of allelesB/b (where B encodes yellow and b encodes bronze) wasselfed, and, in the progeny, there were 280 yellow and120 bronze plants. Do these results support the hypothesis that the plant is B/b?
- You inspect an ear of corn and find the following number of kernels: 461 red and starch, 142 red and sweet, 156 yellow and starchy and 53 yellow and sweet. a. What genotype did the parent corn plants probably have? b. Support your answer by working out the cross with a Punnett squareWhen a chi square analysis is applied to solve a linkage problem,explain why an independent assortment hypothesis is proposed?Imagine that you are performing a cross involving seed texture in garden pea plants. You cross true-breeding round and wrinkled parents to obtain F1 offspring. Which of the following experimental results in terms of numbers of plants are closest to what you expect in the F2 progeny? a. 8lOroundseeds b. 8lOwrinkledseeds c. 405:395 round seeds:wrinkled seeds d. 610:190 round seeds:wrinkled seeds
- Use a Punnett square to predict the offspring in a cross between a dwarf pea plant (homozygous recessive) and a tall pea plant (heterozygous). What is the phenotypic ratio of the offspring?Use the rules of probability to answer the following question: in a cross between homozygous pea plants with yellow, round seeds (YYRR) and homozygous pea plants with green, wrinkled seeds (yyrr), what is theprobability of an F2 plant having yellow, round seeds?Give only typing answer with explanation and conclusion In a genetic cross for some quantitative trait, 19 distinct phenotypes are observed. Assuming that all genes contribute equally and there are no environmental effects, how many genes contribute to this trait?