Pearson eText Biology: Science for Life -- Instant Access (Pearson+)
6th Edition
ISBN: 9780135214084
Author: Colleen Belk, Virginia Maier
Publisher: PEARSON+
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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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Prepare a Punnet square, genotype, and pedigree analysis for the given pedigree chart
note:
- genetic trait is curly
representation from the figure
- circle is female
- square is male
- shaded shape is affected
- lined shape is deceased
-
For each genotype, indicate the phenotype: The freckles allele (F) is dominant to the no freckles allele ( f). The attached earlobes allele (E) is dominant to the unattached earlobes allele (e). ff _______________ Ee _______________ FF _______________ EE _______________ Ff _______________ ee _______________
Draw a punnett square for each problem. Please be careful to notice whether a trait is homozygous or heterozygous.
One parent has O type blood. The other parent has heterozygous B type blood. What are all the possible blood types the children may have?
Answer:____________O ____________A _____________B _____________AB
In a paternity case a man is accused of having fathered a child. He denies the accusation and presents the following evidence. His blood is O. The mother’s type is AB. The child has AB blood. Could he be the father?
_______yes ________no
Chapter 9 Solutions
Pearson eText Biology: Science for Life -- Instant Access (Pearson+)
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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- Match 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_forwardTrue or False: When a geneticist hands you a patients file with 47,XX + 13, then he or she is considered normal.arrow_forward
- A man that can roll his tongue is heterozygous for the trait marries a woman that cannot roll her tongue. They have a child. Rolling tongue is dominant to not rolling tongue. What is the man’s genotype for tongue rolling? The woman’s? Show the Punnett square for child’s genotype Give the probability (percent chance) that the child can or cannot roll their tongue.arrow_forwardSets of basepair sugars that accounts for a specific trait is ____________arrow_forwardPlace 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_forward
- A gene with 2 sets of dominant genotype is a ____________ breedarrow_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_forwardDrag 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_forward
- Which of the following occurs when the phenotypic effect of one gene contributes to the phenotypic effect of another gene? Qualitative Epistasis Quantitative Additivearrow_forwardA discrete, identifiable physical feature or behaviour of an organism present in every individual of the species, produced by the DNA code at a single, constant locality on the same chromosome, is known as a: Allele Character trait Gene Locus Characterarrow_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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