Bio 121 Campbell Biology Truman College
17th Edition
ISBN: 9781323670637
Author: Urry, Cain
Publisher: PEARSON
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Textbook Question
Chapter 15, Problem 10TYU
Banana plants, which are triploid, are seedless and therefore sterile. Propose a possible explanation.
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Chapter 15 Solutions
Bio 121 Campbell Biology Truman College
Ch. 15.1 - Which one of Mendel's laws describes the...Ch. 15.1 - MAKE CONNECTIONS Review the description of...Ch. 15.1 - WHAT IF? Propose a possible reason that the first...Ch. 15.2 - A white-eyed female Drosophila is mated with a...Ch. 15.2 - Neither Tim nor Rhoda has Duchenne muscular...Ch. 15.2 - MAKE CONNECTIONS Consider what you learned about...Ch. 15.3 - When two genes are located on the same chromosome,...Ch. 15.3 - VISUAL SKILLS For each type of offspring of the...Ch. 15.3 - Prob. 3CCCh. 15.4 - Prob. 1CC
Ch. 15.4 - Prob. 2CCCh. 15.4 - Prob. 3CCCh. 15.5 - Gene dosagethe number of copies of a gene that are...Ch. 15.5 - Reciprocal crosses between two primrose varieties,...Ch. 15.5 - WHAT IF? Mitochondrial genes are critical to the...Ch. 15 - What characteristic of the sex chromosomes allowed...Ch. 15 - Why are males affected by X-Iinked disorders much...Ch. 15 - Why are specific alleles of two distant genes more...Ch. 15 - Prob. 15.4CRCh. 15 - Explain how genomic imprinting and inheritance of...Ch. 15 - A man with hemophilia (a recessive, sex-linked...Ch. 15 - Pseudohypertrophic muscular dystrophy is an...Ch. 15 - A wild-type fruit fly (heterozygous for gray body...Ch. 15 - A planet is inhabited by creatures that reproduce...Ch. 15 - Using the information from problem 4, scientists...Ch. 15 - A wild-type fruit fly (heterozygous for gray body...Ch. 15 - Assume that genes, A and B are on the same...Ch. 15 - Two genes of a flower, one Controlling blue (B)...Ch. 15 - You design Drosophila crosses to provide...Ch. 15 - Banana plants, which are triploid, are seedless...Ch. 15 - EVOLUTION CONNECTION Crossing over is thought to...Ch. 15 - SCIENTIFIC INQUIRY DRAW IT Assume you are mapping...Ch. 15 - WRITE ABOUT A THEME: INFORMATION The continuity of...Ch. 15 - SYNTHESIZE YOUR KNOWLEDGE Butter flies have an X-Y...
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- Explain why allotetraploids are more likely than allodiploids to be fertile?arrow_forwardPredict the results of a cross between ascospores from a segregational petite strain and a neutral petite strain. Indicate the phenotype of the zygote and the ascospores it may subsequently produce.arrow_forwardSeed plants have the remarkable ability to bring male and female gametes together when conditions are dry. How is this possible?arrow_forward
- Is the sporophyte haploid (n) or diploid (2n)?arrow_forwardTomato has diploid chromosomes number of 24. How many chromosomes would be expected in: microspore mother cell a leaf cell an endosperm cell an egg nucleus a sperm nucleusarrow_forwardWith a botanist’s help, an individual decides to cross the lavender pansy with the white pansy. Will this result in any purple pansies? Explain.arrow_forward
- Label the diagram which features an illustration of a portion of the sporophyte of Selaginella with strobili, and a photomicrograph of the longitudinal section of a mature strobilus. Indicate whether each of the structure you identified is haploid (n) or diploid (2n)arrow_forwardIn animals, meiosis of germ cells produces gametes. Some plant cells also undergo meiosis, but the resulting cells are not gametes. Explain what the products of plant meiosis are, what they develop into, and how plants produce gametes.arrow_forwardIn same species of Asteraceae and grasses, seed are formed without fusion of gametes. Mention the scientific term for such form of reproduction.arrow_forward
- Predict the outcome of reproductive crosses between red- and white-flowered plants using th generative fluid theory.arrow_forwardThe drooping, bell-like flower Aquilegia canadensis is adapted for cross-pollination. However, if the plant has not been pollinated previously, self-pollination can occur. However, if cross pollination occurs after self-pollination takes place, the pollen from cross pollination reaches the style before the pollen from self-pollination. Using course concepts and vocabulary 1) Provide a reasoning for this phenomenon. 2) Would this adaptation for reproduction be beneficial for the plant?arrow_forwardA Heterozygous plant, GgHhliJjKk is allowed to self-fertilize. What is the probability that an offspring will be GgHHliJjKk?arrow_forward
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