Concepts of Genetics Plus Mastering Genetics with Pearson eText -- Access Card Package (12th Edition) (What's New in Genetics)
12th Edition
ISBN: 9780134811390
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino, Darrell Killian
Publisher: PEARSON
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Chapter 25, Problem 3PDQ
Define the following: (a) polygenic, (b) additive alleles, (c) correlation, (d) monozygotic and dizygotic twins, (e) heritability, (f) QTL, and (g) continuous variation.
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Which of the following is used to identify the chromosomal region(s) associated with
a continuous trait?
a) Narrow-sense heritability
b) Twin studies
O c) Correlation coefficient
O d) QTL mapping
Which of the following choices accurately describe what makes one person different from another with regard to traits (such as height) that have a very high heritability?
Choose all that apply
a) What makes us different is not that we have different genes, but that we have different alleles of many of those genes
b) What makes us different from each other is that we have different genes from each other
c) Random factors during development is the most significant causes of differences between people
d) Most of us have exactly the same genes and alleles, and it’s the environment we were raised in that makes us different
e) None of the other choices are accurate
You are working with a hypothetical fly and have found color and wing
mutants. Preliminary work indicates that the mutant traits are recessive and
the associated genes are not sex-linked, but beyond that, you have no
information. You first look at 2 genes, each with 2 alleles. "B" or “b" for body
color and "W" or "w" for wing surface. The red-body phenotype is dominant
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Chapter 25 Solutions
Concepts of Genetics Plus Mastering Genetics with Pearson eText -- Access Card Package (12th Edition) (What's New in Genetics)
Ch. 25 - A homozygous plant with 20-cm-diameter flowers is...Ch. 25 - The following table shows measurements for fiber...Ch. 25 - The following cable gives the percentage of twin...Ch. 25 - At an interview with a genetic counselor, a couple...Ch. 25 - Prob. 2CSCh. 25 - At an interview with a genetic counselor, a couple...Ch. 25 - HOW DO WE KNOW? In this chapter, we focused on a...Ch. 25 - CONCEPT QUESTION Review the Chapter Concepts list...Ch. 25 - Define the following: (a) polygenic, (b) additive...Ch. 25 - A dark-red strain and a white strain of wheat are...
Ch. 25 - Height in humans depends on the additive action of...Ch. 25 - An inbred strain of plants has a mean height of 24...Ch. 25 - Erma and Harvey were a compatible barnyard pair,...Ch. 25 - In the following table, average differences of...Ch. 25 - What kind of heritability estimates (broad sense...Ch. 25 - List as many human traits as you can that are...Ch. 25 - Corn plants from a test plot are measured, and the...Ch. 25 - The following variances were calculated for two...Ch. 25 - The mean and variance of plant height of two...Ch. 25 - Prob. 14PDQCh. 25 - Prob. 15PDQCh. 25 - In an assessment of learning in Drosophila, flies...Ch. 25 - Prob. 17PDQCh. 25 - Prob. 18PDQCh. 25 - In a population of 100 inbred, genotypically...Ch. 25 - Many traits of economic or medical significance...Ch. 25 - A 3-inch plant was crossed with a 15-inch plant,...Ch. 25 - In a cross between a strain of large guinea pigs...Ch. 25 - Type A1B brachydactyly (short middle phalanges) is...Ch. 25 - In a series of crosses between two true-breeding...Ch. 25 - Students in a genetics laboratory began an...Ch. 25 - Prob. 26ESPCh. 25 - Canine hip dysplasia is a quantitative trait that...Ch. 25 - Floral traits in plants often play key roles in...Ch. 25 - In 1988, Horst Wilkens investigated blind...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Using pedigree diagrams, calculate the inbreedingcoefficient (F ) for the offspring of (a) parent–offspringmatings; (b) first-cousin matings; (c) aunt–nephewor uncle–niece matings; (d) self-fertilization of ahermaphrodite.arrow_forwardPlease define the following terms: 1.) Homozygous2.) Heterozygous3.) Genotype4.) Phenotype5.) Allelearrow_forwardWhich of the following can help explain how continuous variation in a trait can arise from underlying discrete Mendelian genetics (i.e. individual loci at which there are alleles with discrete effects on the phenotype)? O a) Co-dominance b) Meiotic drive c) Blending inheritance d) Multiple loci and the environment can affect expression of a trait e) The germ plasm theoryarrow_forward
- 11) In the Hardy-Weinberg equation, which term refers to the heterozygous genotype? A) 2pq B) Q squared C) P squared D) 2pq squaredarrow_forwardConsider the following human traits: Eye color: brown (B) is dominant over blue (b)Fingers: polydactylous (P) or extra fingers is dominant over normal (p) fingersHairline: widows peak (W) is dominant of normal (w) hairline A man with the genotype BBPpWW marries a woman with the genotype bbPpWw.What is the probability that they will have a: a. Baby boy? b. Child with blue eyes? c. Child with normal fingers? d. Child with widow’s peak?e. Baby girl with blue eyes? f. Baby boy with normal fingers?g. brown-eyed, polydactylous child?arrow_forward6)Heterozygote is a)an individual who has two copies of the same allele for a particular gene b)an individual who has one copy of the most common allele for a particular gene c)an individual who has to different alleles for a particular gene d)an individual who has one copy of the least common allele for a particular genearrow_forward
- In plants, a trait has a narrow-sense heritability of 0.75. This indicates a) the trait is inherited from a parent 75% of the time. b) the proportion of phenotypic variance due to environmental variance. c) the degree of inbreeding from artificial selection. d) the proportion of variance due to additive alleles.arrow_forwardWhich of the following is not a phenotypic description of allele interactions affecting the expression of traits? A) incomplete dominance B) codominance C) polymorphic D) multifactorial E) pleiotrophicarrow_forwardIf a single expressed gene can affect multiple traits at once, what would be the most precise manner of referring to this phenomenon? a) Polygenic. b) Monogenic. c) Pleiotropic. d) Polytropic.arrow_forward
- 24) If you were Gregor Mendel and observed that some green peas had a round texture and some green peas had a wrinkled texture, then this would support which theory? A) The law of segregation B) Incomplete dominance C) Some traits are dominant, while others are recessive D) The law of independent assortmentarrow_forwardPlease answer all parts of the following question about genes: PLEASE MAKE A PUNNETT SQUARE 1. For the following cross: Aa Bb cc Dd x Aa Bb CC Dd what is the chance of obtaining an individual who: a) shows all dominant traits? b) shows all recessive traits? c) is phenotypically like the second parent? d) is genotypically like the second parent? e) is heterozygous for all alleles? PLEASE MAKE A PUNNETT SQUAREarrow_forwardWhat is the probability that each of the following pairs of parentswill produce the indicated offspring? (Assume independentassortment of all gene pairs.)(a) AABBCC * aabbcc S AaBbCc(b) AABbCc * AaBbCc S AAbbCC(c) AaBbCc * AaBbCc S AaBbCc(d) aaBbCC * AABbcc S AaBbCcarrow_forward
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