5. In the cross-pollination between a pure-breed yellow pod plant and a pure-breed green pod plant, where green pod color is dominant, the resulting offspring will be... (Note pure breds are homozygotes). Show sol'n. d. all green a. 1/4 green, 3/4 yellow b. all yellow c. 1/4 yellow, 3/4 green

5. In the cross-pollination between a pure-breed yellow pod plant and a pure-breed green pod plant, where green pod color is dominant, the resulting offspring will be... (Note pure breds are homozygotes). Show sol'n. d. all green a. 1/4 green, 3/4 yellow b. all yellow c. 1/4 yellow, 3/4 green

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Description: 5. In the cross-pollination between a pure-breed yellow pod plant and a pure-breed green pod plant, wheregreen pod color is dominant, the resulting offspring will be... (Note pure breds are homozygotes). Showsol'n.d. all greena. 1/4 green, 3/4 yello

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 1TYK: The dominant C allele of a gene that controls color in corn produces kernels with color; plants...

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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.
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. 7. The ability to roll your tongue (R) is dominant to lack of this ability (r). A. What is the genotype of a man who can roll his tongue if his father couldn’t? B. If a man who is heterozygous for tongue rolling marries a woman who is heterozygous, what would you predict for the genotypes and phenotypes of their children? 8. Huntington’s disease is a degenerative disease of the nervous system that strikes in middle age. The…
1. Which of the following has a genotype with homozygous purple flower and heterozygous tall plant. Consider purple is dominant over white and tall is dominant over short. A. Wwss B. WWSs C. wwSs D. WwSS 2. Which of the following has a genotype with heterozygous yellow kernel and heterozygous smooth kernel. Consider yellow is dominant over green and smooth is dominant over wrinkled. A. Ggww B. ggww C. GGWW D. GgWw
9. Given the following information on corn phenotypes, particularly for the heterozygote, C sh Wx Sh Wx Where: c = colored endosperm Sh = shrunken WX = waxy Predict the resulting gametes formed after crossing over. a. sh Wx Sh WX b. С sh Wx Sh WX c. C sh Wx ShWx
2. In peas, seeds may have seeds that are yellow (Y) or green (y), and the stem length may result in a tall (T) or short (t) What proportion of the plants from the following crosses would be tall with yellow seeds? a. TTyy x ttYY b. TIYY x TIYY c. ttYy x ttyy
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)
4. Which is an example of codominance? A. A smooth-seeded pea plant and a wrinkled-seeded pea plant produce smooth-seeded pea plants. B. A white rabbit and a black rabbit produce a white-and-black rabbit. C. A blue-eyed man and a brown-eycd woman produce a blue-eyed child. D. A color-blind woman and a man with normal vision produce a color-blind son.
1. Based on the cross to the right, what percent of the offspring A a would be considered heterozygous? A. 0% В. 25% С. 50% A AA Aa D. 75% a Aa aa
11. A polygenic trait is also called multiple a. continuous trait holandric gene d. X-link gene b. A plant bearing pink flowers is allowed to pollinate itself. Every generation thereafter, the plant still produces pink flowers. This condition is known as hybridization 12. C. pure breeding a. b. incomplete dominance d. segregation 13. A homozygous red-flowered plant was crossed with a homozygous white-flowered plant and resulted in an offspring with red flowers. This demonstrates a case of dihybrid cross monohybrid cross a. C. b. dominance d. pure breeding How many chromosomes does a human gamete have? 14. 12 a. C. 24 b. 23 d. 46 If a heterozygous tall plant (TI) is crossed with a short plant (t), how many percent of the offspring are heterozygous tall? 15. a. 25% с. 75% b. 50% d. 100% Critical Thinking Are you in favor of the idea that couples should undergo genetic counseling? Why? Explain why Gregor Mendel chose pea plants for his experiments. Albinism is caused by a mutation;…
4 *The normal color of snapdragons is red. Some pure lines showing variation in flower color have been found. Analyze the following crosses and do the following:² c. Explain the inheritance of these colors (include number of genes, alleles and dominance relationships). d. Determine the genotypes of the parents and the F1 of each cross. e. Propose a biochemical pathway for flower color production in snapdragons. F₂ Parents 1. orange x yellow 2. red x orange 3. red x yellow 4. red x white F₁ orange red red red red 5. yellow x white 9 red: 3 yellow: 4 white 6. orange x white 9 red: 3 orange: 4 white 7. red x white 9 red: 3 yellow: 4 white Hint: Come up with a possible pathway first, it helps to organize your thoughts. red 3 orange: 1 yellow 3 red: 1 orange 3 red: 1 yellow 3 red: 1 white red
1. In corn, resistance to a certain fungus is governed by a recessive gener, while susceptibility is controlled by dominant allele R. If a plant resistant to the disease is pollinated by a homozygous susceptible plant, give the genotype of the following: a. pistillate parent b. staminate parent c. megaspore mother cell d. pollen grain e. microspore mother cell Genotype f. egg g. sperm h. endosperm i. embryo j. microspore Genotype
1. In pea plants, there are two possible alleles for pea pod color. Y (yellow) is the dominant allele, and y (green) is recessive. In a test cross, if the parent with yellow pods has a heterozygous genotype, what proportion of the offspring will be yellow? Group of answer choices A. 100% B. 75% C. 50% D. 25% E. 0% 2. Healthy elephant somatic cells are 2n=56. How many chromosomes are in a daughter cell at the beginning of MEIOSIS II in elephants? Group of answer choices A. 28 un-replicated B. 28 replicated C. 56 un-replicated D. 56 replicated 3. While studying tumor cells, you notice that the histones of a particular chromosome have more acetyl groups bound to them in tumor cells, compared to the same chromosome in healthy cells. What would you expect for the amount of proteins encoded by genes on that chromosome in tumor cells compared to healthy cells? Group of answer choices A. Higher in tumor cells B. Lower in tumor cells C. Similar in tumor and…