A heterozygous black pig is mated with a homozygous black pig. (a) What are the genotypes of the parents? (b) Work the problem showing the possible genotypes and phenotypes of the offspring and the probabilities of each.
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- CO-DOMINANCE/I... % Ø Oll ^ 6- 3. A homozygous red gummy bear is crossed with a homozygous yellow gummy bear (red and yellow mixed together make orange). You predicted that all the offspring will be orange gummy bears. Create a Punnett Square, then explain if your prediction was correct. 13 r y 2 / 3 | - h ? & 71 u * 82 87% i + | © k ( 93 O D § ) 014 Р 11 -½ { [ [ ^ 11 = ¾ 11 8 '{' \For number 15-24. In man, assume that spotted skin (S) is dominant over non-spotted skin (s) and that wooly hair (W) is dominant over non-wooly hair (w). Cross a heterozygous parent (SsWw) with a heterozygous parent (Ssww) Give genotypic and phenotypic ratios of offspring. 15-18. What is the probability of producing spotted skin with non-wooly hair? 8/16 4/16 3/16 6/16 8/16 A. B. C. D. E. 19-21. What is the probability of producing non-spotted skin with non-wooly hair? A 2/16 B. 4/16 C. 1/16 D. 6/16 22-24. What is the probability of producing non-spotted skin with wooly hair? A 3/16 В. 4/16 с. 1/16 D. 9/16 E. 8/16Genetic cross with independent assortment (unlinked traits). Wolves are sometimes observed to have black coats and blue eyes. Assume that these traits are each determined by single genes that are located on different Also assume that normal gray coat color (G) is dominant to black (g) and brown eyes (B) are dominant to blue (b). Suppose that each parent has a normal-colored coat and brown eyes, and that both individuals are heterozygous for both traits. Use the Punnett Square below to answer the following questions: GgBb x GgBb GB Gb gB gb GB GGBB GGBb GgBB GgBb Gb GGBb GGbb GgBb Ggbb gB GgBB GgBb ggBB ggBb gb GgBb Ggbb ggBb ggbb a) From your Punnett square, how many individuals are dihybrids? b) How many individuals are both homozygous recessive for coat color and heterozygous for eye color (ggBb)? c) Fill in the blanks to state the expected phenotypic ratio of the offspring:…
- Two Manx cats mate. Manx allele is dominant but is lethal in homozygous individuals. What is the probability that the first three offspring will display the wild-type phenotype (non-Manx)? Show your work including a Punnett square.From DNA to Protein and Inheritance Co-Dominance: In co-dominance, the heterozygous individual exhibits the phenotype for both alleles. We used the ABO blood groups as an example of co-dominance. 8. What potential blood types can be present in the offspring if two type "O" mate with one another? (alams 1) Ilgq xal Ligg 9. What are the potential blood types present in the offspring if two parents with type A blood mate with each other? parents 10. What are the potential blood types for offspring that are produced by a parent that is A+ and one that is AB-? Sgningatlo odi nol om sig gonda borooqxs Post-Lab Questions 1. In the human species, polydactyly (theIncomplete dominance Codominance Dosage Dominant negative LOF ||| ||| An allele (or gene) that produces a new functional product. A mutation whose gene product produces a misshaped protein in the recessive condition and whose recessive allele will also cause the heterozygous protein product to misfold. Wild type or the phenotype of the typical form of a species as it occurs in nature. A mutation that results in a LOF. An allele (or gene) that no longer produces ✓ Open functional product.
- Inheritance of a single gene: 5. A pure-bred uniform-color (un-striped) cat mates with a mackerel-striped cat: a. What is the probability of their kitten having uniform coloration? 1.0 b. What is the probability of their kitten having mackerel-striped coloration? [Choose ] [Choose ] 0 0.75 c. If two of these kittens grow up and mate, what is the probability of their second- generation (F2) kitten having uniform coloration? 0.875 0.375 0.25 0.625 1.0 d. What is the probability of their second- generation (F2) kitten being striped? 0.33 0.5 [Choose ] e. What is the probability of their F2 uniform-color kitten being homozygous for this gene? [Choose ] f. What is the probability of their F2 mackerel-striped kitten being homozygous for this gene? >dd-ons Help в I U A Calibri 12 三 三1 |:三 6. Consider a guinea pig with a homozygous genotype and a white fur color phenotype. a. What is the probability this parent will produce a gamete with the dominant allele? b. What is the probability this parent will produce a gamete with the recessive allele? C. If 31 sperm cells are collected from this guinea pig, how many would you expect to have the recessive allele (as determined by sequencing the gene)? !!!olving Monohybrid Inheritance single gene. crosses. The henotypic traits controlled by a single gene. The problems are to give you practice in problem solving using Mendelian genetics. A dominant gene (W) produces wire-haired texture in dogs; its recessive allele (w) produces smooth hair. A group of heterozygous wire-haired individuals are crossed and their F1 progeny are then test-crossed. Determine the expected genotyplc and phenotypic ratios among the test cross progeny:
- Incomplete Dominance 1. In snapdragons, red flower color (R) is incompletely dominant over white flower color (r). The hybrids or heterozygous plants (Rr) are pink in color. a) Show the genotype for a white flower and for a red flower. b) If a red-flowered plant is crossed with a white-flowered plant, what are the genotypes and phenotypes of the F1 generation plants? Show your work. c) What genotypes and phenotypes will be produced in the F2 generation? Show your work? the the o doa A t r th s beirs ard the phenorypic and wo ran aials pring fro d) How did the genotypic and phenotypic ratio compare to each other in this incomplete dominance cross? gonarypi and e) What would the phenotypic ratio have been if this had been complete dominance?Inheritance of a single gene: 7. A tortoiseshell cat mates with an orange cat: What is the probability of their kitten having all-orange fur? [Choose ] [Choose ] 0.25 What is the probability of their kitten having tortoiseshell coloration? 0.5 0.875 1.0 0.625 What is the probability of their kitten having all-black fur? 0.375 0.33 0.75 What is the probability that their black kitten will be male? [Choose ] What is the probability that their tortoiseshell kitten will be male? [Choose ]Now cross two of the F₁ offspring. Parent 1 Gametes F2 Offspring Parent 2 Gametes 24. What is the phenotypic ratio in the F2 generation? 25. In the dihybrid cross you have considered two traits at a time. Although the number of traits has increased by one, what has happened to the number of possible phenotypes of offspring produced in the F2 generation? ni llit asa2013 bhidydenom sih at Simons 1:11 sabrax gatame