5. Assume that D, E, F, G, H, and I are autosomal genes on different chromosomes. From the mating (parent A) DdeeFfGGHhli x (parent B) DdEEFFGgHhii, how many different kinds of gametes can be produced by each parent? 6. An experimenter cross - and 102 short plants. What genotype would you expect of the parents? Why? pollinates 2 tall plants, and in the next generation counts 290 tall plants

5. Assume that D, E, F, G, H, and I are autosomal genes on different chromosomes. From the mating (parent A) DdeeFfGGHhli x (parent B) DdEEFFGgHhii, how many different kinds of gametes can be produced by each parent? 6. An experimenter cross - and 102 short plants. What genotype would you expect of the parents? Why? pollinates 2 tall plants, and in the next generation counts 290 tall plants

Name: 5. Assume that D, E, F, G, H, and I are autosomal genes on different
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Description: 5. Assume that D, E, F, G, H, and I are autosomal genes on different chromosomes. From themating (parent A) DdeeFfGGHhli x (parent B) DdEEFFGgHhii, how many different kinds ofgametes can be produced by each parent?6. An experimenter cross - pollinat

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter12: Mendel, Genes, And Inheritance

Section: Chapter Questions

Problem 2TYK: In peas, the allele Le produces tall plants and the allele le produces dwarf plants. The Le allele...

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In peas, the allele Le produces tall plants and the allele le produces dwarf plants. The Le allele is dominant to le. If a tall plant is crossed with a dwarf, the offspring are distributed about equally between tall and dwarf plants. What are the genotypes of the parents?
2.In dogs, there is a hereditary deafness caused by a recessive allele, d. A kennel owner has a male dog that she wants to use for breeding purposes if possible. The dog can hear, but the owner is unsure of the genotype. She does a testcross (crosses it to a homozygous recessive dog), and two of the five offspring are deaf. This means that the male dog A.has the genotype DD B.has the genotype Dd C.is still of unknown genotype since there were offspring of both deaf and hearing phenotypes. D.has the genotype dd
2) Discuss the genetic variability introduced by crossing-over and independent assortment. How is this important in sexually reproducing populations? Would these be important in a single-celled organism that reproduces asexually by mitosis?
3) A. How are the following proteins involved in cell division: condensing, cohesin, kinetochore complex, tubulin? B. Why does phenotype not always reveal genotype? C. How can Mendel's postulates of segregation and independent assortment be explained by meiosis? D. Explain the genotypic and phenotypic ratios predicted when performing a monohybrid and a dihybrid cross of heterozygotes? E. How can you use the product rule and sum rule to calculate the probability of a particular genotype resulting from crossing parents of specific genotypes?
5. Flower color is determined by the pathway below. You a crossing a true-breeding white-flowered plant thatcannot produce gene A and a true-breeding white-flowered plant that cannot produce gene B.Gene A Gene BWhite  White  Purplea. What are the genotypes of the P-generation?b. What are the genotypes and phenotypes of the F1 generation?c. What are the genotypes and phenotypes of the F2 generation? What is the phenotypic ratio?(Purple:White)
6. A heterozygous purple plant is crossed with a white plant. A. Write the genotype of the purple and white plants. B. Write the gametes formed by the purple plant and proportions in which they occur. C. Write the gametes formed by the white plant and proportions in which they occur. D. Combine the gametes using a Punnett square. E. Write the genotypes of the offspring and the ratio in which they occur. F. Write the phenotypes of the offspring and the ratio in which they occur.
1. In pea plants, purple flower color is dominant over white flower color. If you had a purple flowered plant, its genotype could be either PP or _______? A. Pp B. pp C. PP 2. To figure out which genotype your purple plant had, you could do a test cross and mate it with a __________ plant? A. White Flower B. Purple Flower 3. If any of the offspring were white, that would tell you that your mystery purple plant had the genotype __________? A. Pp B. PP C. pp
2. A red-fruited tomato plant (which is dominant), when crossed with a yellow-fruited one, produces progeny about half of which are red-fruited and half which are yellow fruited. What are the genotypes of the parents?
1. If a purebred pea plant with purple flowers was crossed with a purebred pea plant with white flowers, all of the offspring's flowers ended up being purple. In this instancethe WHITE flower trait is considered to be what?
1. A sex-linked recessive allele rg causes a red-green colorblindness in humans. A normal woman whose father was colorblind marries a colorblind man. A. Of all the children of these parents (sex unspecified), what proportion can be expected to have normal color vision?
5. You are handed a mystery pea plant with tall stems and axial flowers and asked to determine its genotype as quickly as possible. You know that the allele for tall stems (T) i dominant to that of the dwarf stems (t) and that allele for axial flowers (A) is dominant to that for terminal flowers (a). (a) What are all the possible genotypes of your mystery plant? (b) Describe the one cross you would do, out of your gardens, to determine the exact genotype of your mystery plant. (c ) While waiting for the results of your cross, you predict the result of each possible genotype listed in part a. How do you do this? Why is this not called "performing a cross"? (d) Explain how the results of your cross and your predictions will help you learn the genotype of your mystery plant.
1. A male fruit fly, heterozygous for both vestigial wings and ebony body, is crossed with a female homozygous for normal wings and heterozygous for ebony body. What fraction of their offspring will have normal wings and an ebony body?