11:42CancelMarkupDoneName:Date:Monohybrid practice problemsIn pea plants, the traits below exhibit the following dominance patterns:RecessiveExpression:WrinkledDominantExpression:RoundPurple|YellowInflatedGreenTrait:1. Seed shape (R)2. Flower color (P)3.WhiteGreen|ConstrictedYellowTerminalShortColor of seed coat (Y)Form of ripe pods (I)4.5.|Color of unripe pods (G)6.Position of flowers (A)7. Length of stem (T)AxialTallRecord the genetvnes f-Der-- = foltrawino deserintins (The first one has been done foryou):а. дgA plant with yellow poás-EplancteOZygous for ereen podsN 0)e OwersС.A plant homozvaoue ycilow seedsA plant with white flowersTA piamt wilh areen seeds.Complete the Punnett Square showing the eress between a pea plant with pure round seeds and aplant with wrinkled seeds. Summanze the phenotypes and genotypes for the offspring.Genolynic PorcentadCS.Parental crossPhenolypicPerceniageS3A pea plant with pure velow seeds is erossed wath a plantwith greeseds. Show all possible offspringand Pheheil phehIOypes and genotypes.Parontal crossGenolypic percentagesPhonotypie Pereentages:4. A pea plant heterozygous for pod color is crossed with a pure green-pod plant. Show the cross and allthe phenotypic and genotypic ratios of the possible offspring.Genotypic Ratio:Phenotypic Ratio:5. A heterozygous tall pea plant is crossed with a short pea plant. Show the cross and describe allpossible phenotypes and genotypes for the offspring.Genotypic Ratio:Phenotypic Ratio:+73

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Description: 11:42CancelMarkupDoneName:Date:Monohybrid practice problemsIn pea plants, the traits below exhibit the following dominance patterns:RecessiveExpression:WrinkledDominantExpression:RoundPurple|YellowInflatedGreenTrait:1. Seed shape (R)2. Flower color

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4. A pea plant heterozygous for pod color is crossed with a pure green-pod plant. Show the cross and all the phenotypic and genotypic ratios of the possible offspring. Genotypic Ratio: Phenotypic Ratio:

4. A pea plant heterozygous for pod color is crossed with a pure green-pod plant. Show the cross and all the phenotypic and genotypic ratios of the possible offspring. Genotypic Ratio: Phenotypic Ratio:

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter12: Mendel's Experiments And Heredity

Section: Chapter Questions

Problem 9RQ: A scientist pollinates a true-breeding pea plant with violet, terminal flowers with pollen from a...

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The gene for flower position in pea plants exists as axial or terminal alleles. Given that axial is dominant to terminal, list all of the possible F1 and F2 genotypes and phenotypes from a cross involving parents that are homozygous for each trait. Express genotypes with conventional genetic abbreviations.
How would you perform a reciprocal cross for the characteristic of stem height in the garden pea?
10. In pea plants, seed shape and seed color are controlled by genes located on different chromosomes. Seeds may be round (R) or wrinkled (r), with the allele for round seeds being dominant. Alleles for seed color are yellow and green, with the green allele (y) recessive to the yellow (Y) allele. If you cross an individual that is homozygous round and yellow with an individual that is homozygous for wrinkled and green, what is the genotype of the F1 individuals? Set up a Punnett square for the dihybrid cross.
34-35 In pea plants, green pods are dominant over yellow pods. Two plants with green pods are crossed. All the offspring plants are counted and pod colors recorded. It is discovered that the F1 generation consists of 123 individuals, of which, 92 have been found to have green pods and 31 were found to have yellow pods. What is the genotype of the plants in the F1 generation with yellow pods? What are the most likely genotypes of the parent plants?
16) If individuals III-2 and III-3 have an additional child, what are the chances that it'll be an unaffected boy?
Ch. 13-8 In sweet pea plants, an allele for purple flowers (P) is dominant when paired with a recessive allele for red flowers (p). An allele for long pollen grains (L) is dominant when paired with a recessive allele for round pollen grains (l). Bateson and Punnett crossed a plant having purple flowers and long pollen grains with one having white flowers and round pollen grains.All F1 offspring have purple flowers and long pollen grains. Among the F2 generation, the researchers observed the following phenotypes:296 purple flowers/long pollen grains19 purple flowers/round pollen grains27 red flowers/long pollen grains85 red flowers/round pollen grainsWhat is the best explanation for these results?
A scientist pollinates a true-breeding pea plant with violet, terminal flowers with pollen from a true- breeding pea plant with white, axial flowers. Which of the following observations would most accurately describe the F2 generation? 75% violet flowers; 75% terminal flowers 75% white flowers in a terminal position 75% violet flowers; 75% axial flowers 75% violet flowers in an axial position
7-5. In corn a pair of genes determines leaf shape and another pair determines pollen shape. A ragged-leafed plant with round pollen was crossed to a ragged-leafed plant with angular-pollen, and the resultant progeny were classified as follows: Class Phenotypes 186 ragged-leaf round-pollen 11 IV 174 ragged-leaf angular-pollen 57 smooth-leaf round-pollen Total 63/480 smooth-leaf angular-pollen (a) Using alphabetical letters of your choice, designate the genes for the different leaf and pollen characters. (b) On the basis of the symbols given in (a) 1 provide genotypes two parents. (c) (forth)/(nbers) According to your hypothesis what would you have expected for each of the four classes of progeny? (d) After re viewing Chapter 8, use the chi-square method (p. 132) to test your hypothesis and indicate whether you accept or reject it.
TOPIC: GENE INTERACTION AND EPISTASIS Two pure-breeding (homozygous) lines of shrubs were crossed as follows: P1 phenotype red leaves X green leaves P1 genotype ___________ _____________ F1 phenotype 100% green leaves with white flecks F1 genotype ___________ Crossing the F1s produced: F2 phenotypes F2 genotypes 123 green leaves w/ white flecks ____ 44 green leaves ____ 63 red leaves ____
5. In garden peas, green pod (P) is dominant to yellow pod (p) and tall stemmed (T) plants are dominant to short stemmed plants (t). Please give the genotypic and phenotypic ratios from the following crosses. a) Homozygous green pod homozygous tall stemmed plant crossed with a yellow pod (homozygous) short stemmed (homozygous) plant. b) Homozygous green pod homozygous tall stemmed plant crossed with a heterozygous green pod heterozygous tall stemmed plant. c) Heterozygous green pod heterozygous tall stemmed plant crossed with a heterozygous green pod heterozygous tall stemmed plant. d) Heterozygous green pod homozygous tall stemmed plant crossed with a yellow pod (homozygous) homozygous tall stemmed plant. These are dihybrid crosses. 7. In pea plants, flower colour and pollen shape are located on the same chromosome. A plant with purple flowers and long pollen (AaBb) is crossed with one that is recessive for both traits (aabb). Calculate the…
11. What evidence do you see in the pedigree illustrated if any, allowing the mode of inheritance for this trait to be deduced as completely vs. incompletely dominant? Do not consider any other information beyond what is shown in the pedigree. Answer in one complete sentence, referring to any individuals in the pedigree who may be informative using generation and individual numbers.
Ch. 13-1 Mendel crossed a true-breeding pea plant with green pods and a true-breeding pea plant with yellow pods. All the F1 plants had green pods. Which color is recessive?