EBK BIOLOGY
6th Edition
ISBN: 9780134819075
Author: Maier
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
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Chapter 9, Problem 6LTB
Summary Introduction
Introduction:
The organisms reproduce to give rise to their offspring. The parent passes most of its traits to the offspring. The traits that are passed from the parent to the offspring are inherited traits.
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Chapter 9 Solutions
EBK BIOLOGY
Ch. 9 - Is a round yellow pea seed (genotype Rr Y y) an...Ch. 9 - What factors cause quantitative variation in a...Ch. 9 - The DNA profile below is from a mother, a father,...Ch. 9 - Prob. 4LTBCh. 9 - Prob. 5LTBCh. 9 - Prob. 6LTBCh. 9 - Prob. 7LTBCh. 9 - Prob. 8LTBCh. 9 - Add labels to the figure that follows, which...Ch. 9 - Prob. 10LTB
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- Many genetic disorders, such as cystic fibrosis and sickle-cell disease are due to mutations in a recessive allele. You have sampled an isolated population in which you know that the percentage of the homozygous recessive genotype (aa) is 36%. Using that 36%, calculate: 1f. the frequency of the dominant phenotype if "A" is completely dominant over "a” (round to the nearest hundredth)arrow_forwardWhen describing quantitative traits, a high variance indicates that: O most values are higher than the mean O the mean value is very high O most values are very close to the mean most values are lower than the mean the variation among the values is higharrow_forwardThe height of a shrubbery decreases as we ascend (climb) a mountain. This variation in height is most likely due to underlying changes in genotype. True Falsearrow_forward
- Give at least 3 species characteristics of human beings. What are "phenocopies"? Give at least three (3) specific examples. Examples 1. 2. 3. 3. Which do you think is the most important type of variation? Why? 4. Differentiate continuous from discontinuous trait. Give at least two (2) examples each. Continuous trait Discontinuous traitarrow_forwardThe effects of poverty, stress, racism, or socioeconomic status have not been conflated with the effects of genetics or ancestry. True Falsearrow_forwardPlease explain how the more genes that contribute to a particular trait, the less discrete the categories become, and the more continuous it is, the distribution appears in a quantitative trait. Be sure that you include the following topics in your description: phenotypic categories, genotype, dominant and recessive, segregations of alleles, additive alleles.arrow_forward
- Which of the following best describes the broad-sense heritability of a trait? Variance in the trait that is due to genetic effects (VG) The proportion of phenotype variance that is due to genetic effects (VG/Vp) The proportion of phenotype variance that is due to genetic effects (Vp - VG) The proportion of phenotype variance that is not due to genetic effects (Vp- VE) the degree to which genes influencing a trait are passed from offspring to parents Toarrow_forwardIf the frequency of a homozygous recessive disorder is 1 in 10,000, the frequency of the dominant allele is ________ % and the heterozygous genotype frequency is ________ %.arrow_forwardThe majority of traits are what? (gene number)arrow_forward
- C. In a horse population, three different traits showing continuous distribution were measured, and their variances are shown in the table below: Traits Cutting Racing Speed Jumping Variance Ability Ability Phenotypic 96 39.2 39 Environmental 42 27.8 16.8 Additive 39 12.4 12 Dominance 10 3.1 9. 1. Calculate the broad sense and narrow sense heritabilities for each trait.arrow_forwardWhich of the following is TRUE regarding quantitative traits? they are always determined by partially dominant alleles, which yield intermediate trait values they are often influenced by the action of many genes they are not heritable they are often normally distributed in a population they are often influenced by environmental effectsarrow_forwardA particular kind of squash comes in one of three shapes (long, oval, or round) and one of three colors(green, yellow, or white). A cross between long green female squash and round white male squashproduced all oval and yellow. Assign alleles to each trait (TIP: which trait is intermediate?): long ______ green_______oval ______ yellow_______round______ white _______arrow_forward
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