EBK BIOLOGY
6th Edition
ISBN: 9780134819075
Author: Maier
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
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Chapter 9, Problem 5LTB
Summary Introduction
Introduction:
The set of morphological features represented by the organism is called
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Based on the data, which trait do you think is dominant versus recessive? Explain the information you used to help you determine this. Based on your answer, how would you write the genotypes of the original parental generation for this cross?
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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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- HH alleles are ________________ genotype.arrow_forwardMatch each of the following terms with its correct definition (parts a through i). ______Phenocopy ______Pleiotropy ______Polygenic trait ______Penetrance ______Sex-limited trait ______Genetic maternal effect ______Genomic imprinting ______Sex-influenced trait ______Anticipation a. The percentage of individuals with a particular genotype that express the expected phenotype. b. A trait determined by an autosomal gene that is more easily expressed in one sex. c. A trait determined by an autosomal gene that is expressed in only one sex. d. A trait that is determined by an environmental effect and has the same phenotype as a genetically determined trait. e. A trait determined by genes at many loci. f. The expression of a trait is affected by the sex of the parent that transmits the gene to the offspring. g. The trait appears earlier or is more severe in succeeding generations. h. A gene affects more than one phenotype. i. The genotype of the maternal parent influences the phenotype of the…arrow_forwardPedigree Analysis Is a Basic Method in Human Genetics Pedigree analysis permits all of the following except: a. an orderly presentation of family information b. the determination of whether a trait is genetic c. the determination of whether a trait is dominant or recessive d. an understanding of which gene is involved in a heritable disorder e. the determination of whether a trait is sex-linked or autosomalarrow_forward
- Table 7.1: Your genetic traits. Your probable genotype(s) (use only the letter combinations that apply) Your phenotype (list what you look like) Traits (alleles) Almond Straight thumbs 1. Eye shape (R, r) 2. Hitcher's Thumb (H, h) 3. Earlobes (D, d) Free 4. Interlocking Fingers (I, i) Left thumb over right Widows Peak 5. Widow's Peak (F, f) 6. Face Shape (G, g) Oval 7. Eye Color (B, b) Brown 8. Chin Shape (J, j) Round Dimples Brown 9. Dimples (A, a) 10. Hair Color (K, k) Curly 11. Hair Texture (T, t) 12. PTC Taster (Q, q)arrow_forwardPrepare a Punnet square, genotype, and pedigree analysis for the given pedigree chartarrow_forwardSEATWORK Symbols (for pea plant traits): • T: Tall t: short Analyze the following problems. Determine the possible genotypes, genotypic ratio, phenotypes, and phenotypic ratio from the genetic cross. Show your solution through a Punnett square. Use the symbols provided. • R: Round seeds r: wrinkled seeds • Y: Yellow seeds y: green seeds • P: Purple flower p: white flower 1) Cross a homozygous dominant tall and homozygous round seed pea plant with a heterozygous tall and heterozygous round seed pea plant. 2) Cross a pea plant that is heterozygous for purple flowers and homozygous dominant for yellow seeds with a pea plant that is heterozygous for purple flowers and homozygous recessive for green seeds. 3) Cross a pea plant that is short and has green seeds with a pea plant that is heterozygous tall and has heterozygous yellow seeds.arrow_forward
- Place each box in the appropriate column. (Each box is used only once.) Probability of offspring homozygous recessive for the R gene is 25%. Phenotypic ratio of the progeny will be 1.1. SS Rrx SS rr The chance of Ss Rr offspring is 25%. Probability of an ss Rr offspring is 25%. Probability of an SS offspring is 100%. Phenotypic ratio of the progeny will be 9.3.3:1. Ss RR x Ss rr Genotypic ratio of the progeny will be 1:2:1. Probability of an SS Rr offspring is 50% Ss Rrx Ss Rrarrow_forwardChoose the correct choice for each blank. The parentheses represent the choices for each blank. In a pedigree, the relationships between individual family members are represented as ___________(circles and squares, lines). Individuals who have the studied trait are represented by __________ (open shapes, filled shapes)arrow_forwardA gene with 2 sets of dominant genotype is a ____________ breedarrow_forward
- Drag each term to the matching description. (Each box can be used only once. Not all boxes will be used.) 2 dihybrid cross to search * recessive MOSDOV dominant alleles genotype # testcros phenotype 3 * E $ The observable characteristics or traits of an organism. The alleles an individual carries. Alternate forms of a single gene. The allele expressed in a heterozygote's phenotype. 4 The allele does not contribute to a heterozygote's phenotype. dominant A cross between individuals heterozygous for two genes. IOI R O f5 A cross between an ividu of ambiguous genotype with a homozygous recessive individual. Offspring of the F. generation. % !...! 5 31 T fg 1 30 f10 testcross оarrow_forwardssign phenotypes for the F2 based on the 9 : 3 : 3 : 1 ratio. 9 A_B_ _____________ 3 A_bb _____________ 3 aaB_ _____________ 1 aabb _____________ Assign traits to the alleles Assign genotypes to the F2, F1, and P1arrow_forwardon Instructions: Before Mendel and his results were fully accepted, there were many theories that were proposed that tried to explain how traits were passed on from one generation to another. In the space provided, list down the important points of each theory. Hippocrates’: Brick and Mortar Theory ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ________________________________________________ Aristotle: Hereditary Elements in Blood…arrow_forward
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