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PLease help, double and triple check your answers, im using this to study, these questions are NOT graded they are PRACTICE problems
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- There are two genetic loci determiningthe mating type, locus A with 288 alleles and locus B with 81 alleles.(2 points) List a cross of two Schizophyllum commune strains that could successfully mate and across that could not succeed.Successful cross:Unsuccessful crossPunnett's Squares These show the 2 alleles of each parent plant crossed with each other and the resulting 4 possible offspring with T=tall, t=short TT=dominant tall, tt=recessive short, Tt=mixed hybrid Using the Punnett's square below, name the offspring of all posible parent combination.You have determined that the gene order for three linked genes being studied is A B C. The number of recombinants resulting from crossover between genes A and BC are 44 and 48, respectively, while the double-crossover progeny total 4 and 6. What is the recombination frequency between genes A and B if the total progeny from the cross is 1000? Show all of your work.
- Genes D, E and F are linked. Crossover gametes between genes D and E are observed with a frequency of 32%, and crossover gametes between genes E and F are observed with a frequency of 12%. How many double crossover offspring are expected from 1000 flies?Give only typing answer with explanation and conclusion to all parts Two true-breeding varieties of maize, one 11 cm high and the other 47 cm high were crossed and the resultant F1 hybrids were then crossed to generate the F2 . In the F2 there were a total of 13,923 plants with a continuous variation in heights between the two extremes and with only 3 plants as large as 47 cm high and 5 plants of 11 cm high. a) How many i) genes and ii) how many alleles are involved in determining height in this plant? b) What is the contribution of each dominant allele to the phenotype in cm?The height of a shrubbery decreases as we ascend (climb) a mountain. This variation in height is most likely due to underlying changes in genotype. True False
- Most of the individuals of a certain wildflower population have yellow flowers, although a few are white-flowered. Crosses have demonstrated that allele for yellow flower (Y) is dominant over the allele for white (y). Give the genotype of a white-flowered plant. Show your solution WITH PUNNET SQUAREIf interference is complete (i.e., 100% effective), what is the frequency of double crossovers one should expect? Enter a number rounded to two decimal places.You have determined that the gene order for three linked genes being studied is CBA. The number of recombinants resulting from crossover between genes A and B alone totals 40 and 42, while the double-crossover progeny total 4 and 6. What is the recombination frequency between genes A and B if the total number of progeny from the cross is 1000? O 0.102% O 0.092% O 10.2% O 0.082% O 8.2% O 1% O 9.2%