In ground hogs, Brown (B) is incompletely dominant to white (b). Heterozygous ground hogs are tan. How would you describe the heterozygous phenotype?
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In ground hogs, Brown (B) is incompletely dominant to white (b). Heterozygous ground hogs are tan.
How would you describe the heterozygous
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- In a newly discovered species of Giant Pacific Octopus, long tentacles (L) are dominant to short tentacles (l), strong suction cups (S) are dominant to weak suction cups (s), and brown body color (B) is dominant to red body color (b). A trihybrid test cross was performed between male octopuses that were heterozygous for all three genes, and female octopuses that were homozygous recessive. (You may assume that the dominant alleles exhibit complete dominance.) The results of this cross are shown in the table attached Question: A second trihybrid test cross was performed involving female octopus that were heterozygous for all three genes and male octopus that were homozygous recessive.The results of this second cross are shown in the table below. Offer a plausible explanation for the differences observed between the results of trihybrid test cross #1 vs. the results of this second test cross. Phenotype Number observed Long, weak, brown 495 Short, strong, red 501In a newly discovered species of Giant Pacific Octopus, long tentacles (L) are dominant to short tentacles (l), strong suction cups (S) are dominant to weak suction cups (s), and brown body color (B) is dominant to red body color (b). A trihybrid test cross was performed between male octopuses that were heterozygous for all three genes, and female octopuses that were homozygous recessive. (You may assume that the dominant alleles exhibit complete dominance.) The results of this cross are shown in the table attached Please complete the table and answer the following questions: a) Are these genes linked? Explain why you think these genes are linked or unlinked? b) What is the genotype of each of the two parents that produced the offspring shown in the data table? Please indicate the linkage phase as you write the genotype of each parent. (Please write the genotypes in the format: xyz/xyz.) Genotype of male parent octopus: Genotype of female parent octopus:In a newly discovered species of Giant Pacific Octopus, long tentacles (L) are dominant to short tentacles (l), strong suction cups (S) are dominant to weak suction cups (s), and brown body color (B) is dominant to red body color (b). A trihybrid test cross was performed between male octopuses that were heterozygous for all three genes, and female octopuses that were homozygous recessive. (You may assume that the dominant alleles exhibit complete dominance.) The results of this cross are shown in the table attached a) If the three genes are linked, draw a diagram that shows the correct orderof the three genes on the chromosome (with respect to which gene is in the middle) and also LABEL Region I and Region II on your diagram. b) Calculate the map distances between each of the three genes. Please show the formula used for each calculation, and show ALL calculations. Define which region is your region I and which region is your region II. (For example, please state the region I is…
- In a newly discovered species of Giant Pacific Octopus, long tentacles (L) are dominant to short tentacles (l), strong suction cups (S) are dominant to weak suction cups (s), and brown body color (B) is dominant to red body color (b). A trihybrid test cross was performed between male octopuses that were heterozygous for all three genes, and female octopuses that were homozygous recessive. (You may assume that the dominant alleles exhibit complete dominance.) The results of this cross are shown in the table attached Please complete the tabel and answer the followig questions: a) If the three genes are linked, draw a diagram that shows the correct orderof the three genes on the chromosome (with respect to which gene is in the middle) and also LABEL Region I and Region II on your diagram. b) Calculate the map distances between each of the three genes. Please show the formula used for each calculation, and show ALL calculations. Define which region is your region I and which region is…Black eye (B) is dominant over brown eye (b). A man that is a homozygous dominant black-eyed marries a woman that is a heterozygous black-eyed. The offspring resulted to 50% homozygous black and 50% heterozygous black. If one of their heterozygous children marries another heterozygous partner. Regardless of its gender, what are the genotypes of their children? a. 25% BB, 50% Bb, 25% bb b. 50% BB, 25% Bb, 25% bb c. 25% BB, 25% Bb, 50% bb d. 0% BB, 75% Bb, 25% bb In Law of Codominance, a pure line dominant trait crossed with a recessive trait will result to the appearance of both dominant and recessive trait in the offspring. What is the percentage of having a red-haired offspring if the parental genotype is both a heterozygous roan haired? Red hair is a dominant trait and white hair is a recessive trait. a. 100% b. 75% c. 50% d. 25% e. 0%Normal pigmentation in humans is completely dominant to albinism. A couple who are both carriers for albinism decided to have children. a. Given that their first offspring normally pigmented, what is the probability that the child is a carrier? b. Considering the same genotypes of parents, what is the likelihood that three albino and two are normally pigments in a brood of five?
- In roan bulls, alleles for both red and white hair are codominant (BRBW). What is the percentage of genotype and phenotype if a roan cattle is bred to, (a) a homozygous red cow (BRBR), (b) a heterozygous white cow (BWBw).In cattle, coat color is controlled by two codominant alleles. One allele produces a red coat, (R), and one produces a white coat, (W). A cow with heterozygous alleles will have a roan coat. In the same breed of cattle not having horns, (N), is completely dominant over the presence of horns, (n). What phenotype and genotypes would be expected from a cross between a roan, horned bull and a hornless red cow that is a carrier for the horned allele. Show the Punnett squareIn cats, black fur (B) is dominant over brown fur (b). Also, striped fur (A) is dominant over solid colored fur (a). What is the phenotype of a cat with the genotype Bbaa? What combinations of gametes could the Bbaa cat make? If the Bbaa cat mated with a cat that was heterozygous for both the color and pattern genes, what fraction of their kittens would be likely to have solid brown fur? Hint: draw your square on a separate paper to figure it out.