Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 30.3, Problem 3CC
WHAT IF? In a few species, chloroplast genes are inherited only from sperm How might this influence efforts to prevent transgene escape?
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Chapter 30 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 30.1 - WHAT IF? If flowers had shorter styles, pollen...Ch. 30.1 - WHAT IF? In some species, sepals look like petals,...Ch. 30.1 - Prob. 3CCCh. 30.2 - Prob. 1CCCh. 30.2 - Prob. 2CCCh. 30.2 - Self-fertilization, or selfing, seems to have...Ch. 30.3 - Prob. 1CCCh. 30.3 - Why does Bt maize have less fumonisin than non-GM...Ch. 30.3 - WHAT IF? In a few species, chloroplast genes are...Ch. 30 - A seed develops from an A. ovum B. embryo. C....
Ch. 30 - A fruit is a A. mature ovary. B. B . mature ovule....Ch. 30 - Double fertilization means that A. flowers must be...Ch. 30 - Golden Rice A. is resistant to various herbicides,...Ch. 30 - Which statement concerning grafting is correct? A....Ch. 30 - Some dioecious species have the XY genotype for...Ch. 30 - A small flower with green petals is most likely A....Ch. 30 - The pollen produced by wind-pollinated plants is...Ch. 30 - The black dots that cover strawberries are...Ch. 30 - DRAW IT Draw a flower and label the parts.Ch. 30 - SCIENTIFIC INQUIRY Critics of GM foods have argued...Ch. 30 - SCIENCE, TECHNOLOGY, AND SOCIETY People have...Ch. 30 - FOCUS ON EVOLUTION With respect to sexual...Ch. 30 - FOCUS ON ORGANIZATION In a short essay (100-150...Ch. 30 - SYNTHESIZE YOUR KNOWLEDGE This colorized SEM shows...
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- EC4. In a test-cross of trihybrid drosophila the following phenotypes and number of offspring were found. Without doing any calculations, answer the following questions: +++ 669 abc 653 ++c 121 ab+ 139 +b+ 2280 a+c 2215 +bc 3 a++ 2 a) What were the genotypes of the parental strains? (fill in) b). What is the gene order?arrow_forwardMapping a new mutation on the same chromosome as the mapping genes: Scenario 1 1. If the m mutation is in a gene on the same chromosome as a and b, as shown here, what would be the expected genotype(s) and phenotypes of the F1 individuals? m+b +a+ + m++ +ab Scenario 1: emk 2. If individuals from this F1 generation self-fertilize, what genotypes and phenotypes of progeny would you expect in the F2 generation? Assume that the m, a, and b genes are all linked but you don't need to calculate exact frequencies of each genotype/phenotype. Parental gametes will be m++ or +ab Recombinant metes will be m+b or +a+ if there is a crossover between a and b Or mab and +++ if there is a crossover between m and a The most common categories will be combinations with the parental gametes +a+ wild-type m+b M-only +ab wild-type m++ M-only mab M-only +++ wild-type +a+ +a+ A-only m+b B-only +ab AB m++ wild-type mab AB +++ wild-type +a+ wild-type m+b MB mab MB +++ wild-type A-only m+b wild-type mab A-only…arrow_forwardIn Meselson and Radding modified Holliday model, following branch migration, what are the possible number of heteroduplex regions that can occur? 3 4arrow_forward
- A mutation that increases the reach of Aurora B where Ndc80 can be modified under tension would lead to: Select one: O a. chromosomes strongly bound to kinetochore microtubules, even when not yet bivalently attached O b. chromosomes strongly bound to kinetochore microtubules, even when bivalently attached O c. chromosomes weakly bound to kinetochore microtubules, even when not yet bivalently attached O d. chromosomes weakly bound to kinetochore microtubules, even when bivalently attachedarrow_forwardPlease asaparrow_forwardImagine you are trying to test whether a population of flowers is undergoing evolution. You suspect there is selection pressure on the color of the flower: bees seem to cluster around the red flowers more often than the blue flowers. In a separate experiment, you discover blue flower color is dominant to red flower color. In a field, you count 600 blue flowers and 200 red flowers. What would you expect the genetic structure of the flowers to be?arrow_forward
- VISUALIZE Use two different colors to depict the unduplicated chromosomes of species C with larger chromosomes (2n = 8) and species D with slightly smaller chromosomes (2n = 10), and of their F1 hybrid. Is the hybrid likely to be fertile?arrow_forwardChapter 10: Dihybrid Cross Worksheet In rabbits, gray hair is dominant to white hair. Also in rabbits, black eyes are dominant to red eyes. These letters represent the genotypes of the rabbits: GG = gray hair Gg = gray hair gg = white hair BB = black eyes Bb = black eyes bb = red eyes 1. What are the phenotypes (descriptions) of rabbits that have the following genotypes? Ggbb ggbb GgBb 2. A male rabbit with the genotype GGbb is crossed with a female rabbit with the genotype ggBb the square is set up below. Fill it out and determine the phenotypes and proportions in the offspring. Gb Gb How many out of 16 have gray fur and black eyes? gB How many out of 16 have gray fur and red eyes? gB How many out of 16 have white fur and black eyes? gb How many out of 16 have white fur and red eyes gb 3. A male rabbit with the genotype GgBb is crossed with a female rabbit with the genotype GgBb The square is set up below. Fill it out and determine the phenotypes and proportions of offspring GB Gb gB…arrow_forwardasap pleasearrow_forward
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