Consider the following cross: AaBbCcDdEe X AaBbCcDdEe. How many different phenotypes would you expect in the offspring from this cross? Number of phenotypes =
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Consider the following cross: AaBbCcDdEe X AaBbCcDdEe. How many different
Number of phenotypes =
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- Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are dominant to green (y). What are the possible genotypes and phenotypes for a cross between PpYY and ppYy pea plants? How many squares would you need to complete a Punnett square analysis of this cross?Consider the following cross: AaBbCcDd X AaBbCcDd. How many different genotypes would expect in the offspring from this cross? Number of different gentoypes =What will be the PR and GR of the following crosses? Give also their phenotypes. (Designate your own phenotype for each character) AaBb x aabb AAbb x AaBB AaBb x aaBB AABb x aabb
- Consider this cross in pea plants: Tt Rr yy Aa × Tt rr Yy Aa, whereT = tall, t = dwarf, R = round, r = wrinkled, Y = yellow, y = green,A = axial, a = terminal. What is the expected phenotypic outcomeof this cross? Have one group of students solve this problem bymaking one big Punnett square, and have another group solve it bymaking four single-gene Punnett squares and using the multiplication method. Time each other to see who gets done first.Given a cross of AaBbCcDdEe X aaBBccDdEe, what is the probability of getting an offspring with genotype AaBBCcddEe? Given a cross of AaBbCcDdEe X aaBBccDdEe, what is the probability of getting an offspring with phenotype ABCde? Given a cross of AaBbCcDdEe X AaBBccDdEe, what is the probability of getting the phenotype ABCDE? Given a cross of AaBbCcDdEe X AaBBccDdEe, what is the probability of getting AaBbCcDdEe?.Diagram the P1 and F1 crosses, using Mendelian notation, to show the possible genotypes found in each generation. (Remember a diagram is just the cross itself, not the progeny).
- These genotypes are crossed: AaBbCcdd x AabbCcDd. What will the proportion of thefollowing genotypes be among the progeny of this cross? (Show your solution and put the final answerin a box).a) AAbbCcdd b) AaBbCcDdIn the following dihybrid cross: B/b; E/e x B/b; e/e What are the phenotypes of the offspring? 9/16 Black 3/16 brown 4/16 golden 9/16 Brown 3/16 Black 4/16 golden 9/16 Black 3/16 golden 4/16 brown 3/8 Black 1/8 brown 4/8 golden 3/8 golden 4/8 Black 1/8 brownWhat are the expected phenotypic ratios from the following cross:Tt Rr yy Aa × Tt rr YY Aa, where T = tall, t = dwarf, R = round,r = wrinkled, Y = yellow, y = green, A = axial, a = terminal; T, R,Y, and A are dominant alleles. Note: Consider using the multiplication method in answering this problem
- In tomatoes, red fruit color (R) is dominant over yellow fruit color (r). Do the following crosses: Rr x rr Rr x RR rr x RR Rr x Rr rr x Rr rr x rr Show your Punnett square for each cross. For each cross also show the genotypic and phenotypic ratios.In a dihybrid cross, if two heterozygous individuals for both genes are crossed, what will be the expected phenotypic ratios? (In the following order: dominant for both traits; dominant for the first trait recessive for the second; recessive for the first trait and dominant for the second; recessive for both traits) show your solution using punnet squareIf you do the following cross: TtRryy x ttRrYy (where T=tall, t=dwarf; R=round, r=wrinkled; Y=yellow seeds, y=green seeds) then what proportion of the offspring would you expect to be: dwarf, round, yellow 1/32 O 3/32 O 3/64 O 1/16 O 3/16 1/8 O 3/8 O 1/2