1.You cross 100 plants that are true-breeding for red flowers, hairy leaves, and petal veins (P1) with 100 plants that are true-breeding for purple flowers, smooth leaves, and no petal veins (P2). 500 plants of the F1 generation all have red flowers, hairy leaves, and petal veins. What does this tell you about the linkage between these genes? P2 Purple Petals Smooth Leaves Veins Absent Red Petats Hairy Leaves Veins Present A. The genes are linked B. The genes are not linked C. This tells you nothing about gene linkage F1 Red Petals Hairy Leaves Veins Present

1.You cross 100 plants that are true-breeding for red flowers, hairy leaves, and petal veins (P1) with 100 plants that are true-breeding for purple flowers, smooth leaves, and no petal veins (P2). 500 plants of the F1 generation all have red flowers, hairy leaves, and petal veins. What does this tell you about the linkage between these genes? P2 Purple Petals Smooth Leaves Veins Absent Red Petats Hairy Leaves Veins Present A. The genes are linked B. The genes are not linked C. This tells you nothing about gene linkage F1 Red Petals Hairy Leaves Veins Present

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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For practice construct a Genetic map with three genes in Arabidopsis plants. A short plant (hy) is recessive to tall plant (HY), a red flower (r) is recessive to white flower (R); and long pollen (po) is recessive to oval shaped pollen (PO). You can come up with arbitrary number of progenies for each class of offspring (follow the numbers like in Fig. 7.14) ( please help, I dont understand what/how to do this)
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Punnett Squares Practice Monohybrid Crosses DIRECTIONS: All these genetic probiems deal with pea plants and heir traits. Use the following kay for ail problems. Put the gametes for the 1st parent of each cross along the top, and the gametes for the 2nd parent along the left side. T= Tall ( = Short S= Smooth Seed = Wrinkled Seed G= Green Pod Y= Yellow Seed P= Purple Flower g= Yellow Pod 2. TT x TE y- Green Seed A= White Flower 1. PP x PA 3. Sa x Sa 4. yy x yy 5. Gg x Gg PP PA AP YY Yy 99 GG Gg gg SS Sa sa 8. heterozygous yellow seed x green seed TT TE 6. hybrid tall x short Te x t 7. purebrid tall x short TT x 9. hybrid green pod x hybrid green pod 10. hybrid tall x purebred tall YY Yy 99 13. heterozygous purple flowers x TT T TT TE GG Gg gg TT Te 11. purebred purple flowers x white flowers 12. hybrid purple flowers x white flowers 14. hybrid smooth seeds x hybrid smooth seeds 15. short plant x short plant white flowers PP PA AP PP PA AA phenotype ratios: PP PA AE Ss Se TT TE Purple…
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7-8. Assume that white color is dominant over yellow color in squash. If pollen from the anthers of a heterozygous white-fruited plant is placed on the pistil of a yellow- fruited plant, show using ratios the genotypes and phenotypes you would expect the seeds from this cross to produce. Genotypes = 1/2 Ww 1/2 Ww = 1:1 ratio | Phenotypes = All white = 1:0 ratio Genotypes = 1/2 WW 1/2 ww = 1:1 ratio | Phenotypes = 1/2 white 1/2 yellow = 1:1 ratio Genotypes = 3/4 Ww 1/4 ww = 1:1 ratio | Phenotypes = 3/4 white 1/4 yellow = 1:1 ratio Genotypes = 1/2 Ww 1/2 ww = 1:1 ratio | Phenotypes = 1/2 white 1/2 yellow = 1:1 ratio
7. In a monohybrid cross, a pea planr with spherical seeás is crossed with a pea plant with wrinkled seeds. In the Fl generation all planrs are spherical. The F1 plants then self-pollinate. Predict the genorype and the phenorype of the F2 gerneration.
1. You are given a female F1 of unknown genotype. You cross the female fly to a homozygous male that has forked bristles and malformed eyes. The offspring of the cross is shown below: (Define symbols for your traits) Phenotype Forked bristles, normal eyes 752 Number Genotype Forked bristles, malformed 56 eyes Malformed eyes, normal bristles Normal eyes, normal bristles 820 64 a. What are the genotypes of the offspring? b. Based on the progeny, what were the genotypes of the F1 parents? What is the distance between for and mal?
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1. A wild-type trihybrid soybean plant is crossed to a pure-breeding soybean plant with the recessive phenotypes pale leaf (1), oval seed (r), and short height (t). The results of the 3-point test cross are show below. Traits not listed are WT. a)What are the alleles on each homologous chromosome of the parental wild-type trihybrid soybean plant? Place the alleles in their correct gene order. Use L, R, and Phenotype Number Pale 648 Pale, oval Pale, short Pale, oval, short 64 10 I to represent dominant alleles and I, r, and t for recessive 102 alleles. Oval b) Calculate the recombination frequencies between the adjacent genes and label on your gene map. Oval, short 618 Short 84 Wild Type (all 3 loci) 98 Total 1630