In garden peas, purple flowers (P) are dominant to white (p) flowers, and tall plants (T) are dominant to short plants (t). If a purple tall plant (PpTt) is crossed with a white short blant, what is the expected phenotypic ratio of the offspring? *
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- A pea plant is heterozygous for three genes (Tt Rr Yy), whereT = tall, t = dwarf, R = round seeds, r = wrinkled seeds, Y = yellowseeds, and y = green seeds. Tall, round, and yellow are the dominanttraits. What is the probability that an offspring from self-fertilizationof this plant will be tall with wrinkled, yellow seeds?If Purple (P) flowers is dominant over white (p) flowers, and tall (T) pea plants are dominant over short (t) pea plants, a cross between a heterozygous tall, heterozygous purple flowering plant with a heterozygous tall, white flowering plant would produce what fraction of homozygous Tall homozygous white flowering plants?Tall is dominant to short and green pods are dominant to yellow pods. If you cross plants with the genotypes TtGg and TtGg, what fraction of the offspring will be tall with green pods? O 3/16 O 6/16 O 9/16 O 1/16 PRINECOMAS I.pptx PRINECOMA3 ..pptx MacBook Air 888 F2 F3 %23 2$ & 4. 6. T Y G H. K C. V comm V D.
- If a heterozygous purple flowering plant is crossed with a true breeding white flowering plant, the ratio of phenotypes in F1 generation will be O1 purple : 1white O 3 purple : 1 white all purple, no white O all White, no purpleFlower color in snapdragons is an incompletely dominant trait; progeny of crosses between true- breeding red- and white-flowered plants have pink flowers. A cross between two snapdragon plants yielded progeny with all 3 flower colors. What can be inferred about the phenotypes of the parents? O We cannot infer the phenotypes of the parents Both parents had red flowers O One parent had red flowers and the other had white flowers O Both parents had pink flowers O Both parents had white flowersLet P = purple flowers and p = white, and T = tall plants and t = dwarf. What are the genotypes of the gametes that are produced by a plant that is heterozygous for both traits? hint* This is a dihybrid self cross of an F1 heterozygous generation. O Tt, TT, tt, Pp, PP, and pp P, p, T, and t PT, Pt, pT, and pt PT and pt
- A pea plant that is (RrYy) is allowed to self-fertilize. Round seed(R) is dominant to wrinkled (r), and yellow seed (Y) is dominant togreen (y). What is the probability of producing the following groupof five seeds: two round, yellow; one round, green; one wrinkled,yellow; and one wrinkled, green?What are the possible genotype and phenotype of offspring if one pf the parent is heterozygous tall and the other parent is homozygous short Legend T- tall pea plant t- short pea plant Question 1. What is the genotypic ratio 2. What are the possible phenotypes of the offspring? 3. What is the phenotypic ratio 4. What is the percentage of having the tall trait.D D 1 2 d In a particular plant, leaf color is controlled by gene locus D. Plants with at least one allele D have dark green leaves, and plants with the homozygous recessive dd genotype have light green leaves. A true-breeding, dark-leaved plant is crossed with a light-leaved one, and the F1 offspring is allowed to self-pollinate. The predicted outcome of the F2 is diagrammed in the Punnett square shown in the figure, where 1, 2, 3, and 4 represent the genotypes corresponding to each box within the square. Which of the boxes marked 1-4 correspond to plants with a heterozygous genotype? O 1 only O 1, 2, and 3 2 and 3 2, 3, and 4 4) 3.
- In pea plants, round pea shape is dominant to wrinkled pea shape. If two pea plants that are true breeding for wrinkled peas are crossed, what shape of pea will the first generation of offspring have? O a. one quarter of the peas will be round and three quarters will be wrinkled O b. three quarters of the peas will be round and one quarter will be wrinkled O c. half of the flowers will be round and one quarter will be wrinkled O d. all of the peas will be wrinkled O e. all resulting peas will be roundIdentify the genotypes of the pea flower plants for each generation P (Guadretieding parents) Phenotypes Purple flowers : Genotypes White flowers 1 2 F1 Gerleyatids) Phenotypes All purple flowers : Genotypes 3 Self- or cross-pollination F2 Generation Phenotypes Purple flowers : Genotypes White flowers 4In sesame plants the one-pod condition is dominant (P) to the three-pod condition (p), and a normal leaf (L) is dominant to the wrinkled leaf (l). Pod type and leaf type are inherited independently. Determine the genotypes for the parent producing offspring: 318 one-pod, normal leaf and 98 one-pod, wrinkled leaf PPLl x PPLl, PPLl x PpLl, or PPLl x ppLl ppll x ppLl PPLL x PPLL ppll x ppll