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Solve this problem using the rules of probability instead of Punnet squares, bifurcation forks, or mental visualization. Flower position, stem length, and seed shape were three of the traits that Mendel studied. Each is controlled by an independently assorting gene and has dominant and recessive expression as follows: • Axial inflorescence (flowers originate along the stems) is dominant over terminal (flowers on top of the stem). Long (“tall") stem is dominant over short stem (“dwarf"). • Round seed is dominant over wrinkled. Let's use the symbols Fa/fa for genes determining axial vs. terminal (fa from "false umbel," a type of inflorescence); Le/le for tall vs. dwarf (le is for length); R/r for round vs. wrinkled seeds (the Latin word rugosus means wrinkled). Notice that the phenotype "tall plant" may be conferred by the genotype Lele or Lele; this can be abbreviated as Le-, where the dash represents the alternative allele. The homozygous lele will show the recessive phenotype. Since an organism only shows the recessive phenotype when it is homozygous for that particular genotype, it is usually referred as the recessive. If a plant that is heterozygous for all three characters were allowed to self-fertilize, what proportion of the offspring would be expected to be as follows? A. Homozygous for the three dominant traits B. Homozygous for the three recessive traits C. Heterozygous for all three characters

Solve this problem using the rules of probability instead of Punnet squares, bifurcation forks, or mental visualization. Flower position, stem length, and seed shape were three of the traits that Mendel studied. Each is controlled by an independently assorting gene and has dominant and recessive expression as follows: • Axial inflorescence (flowers originate along the stems) is dominant over terminal (flowers on top of the stem). Long (“tall") stem is dominant over short stem (“dwarf"). • Round seed is dominant over wrinkled. Let's use the symbols Fa/fa for genes determining axial vs. terminal (fa from "false umbel," a type of inflorescence); Le/le for tall vs. dwarf (le is for length); R/r for round vs. wrinkled seeds (the Latin word rugosus means wrinkled). Notice that the phenotype "tall plant" may be conferred by the genotype Lele or Lele; this can be abbreviated as Le-, where the dash represents the alternative allele. The homozygous lele will show the recessive phenotype. Since an organism only shows the recessive phenotype when it is homozygous for that particular genotype, it is usually referred as the recessive. If a plant that is heterozygous for all three characters were allowed to self-fertilize, what proportion of the offspring would be expected to be as follows? A. Homozygous for the three dominant traits B. Homozygous for the three recessive traits C. Heterozygous for all three characters

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Solve this problem using the rules of probability instead of Punnet squares, bifurcation forks, or mental visualization. Flower position, stem length, and seed shape were three of the traits that Mendel studied. Each is controlled by an independently assorting gene and has dominant and recessive expression as follows: • Axial inflorescence (flowers originate along the stems) is dominant over terminal (flowers on top of the stem). Long (“tall") stem is dominant over short stem (“dwarf"). • Round seed is dominant over wrinkled. Let's use the symbols Fa/fa for genes determining axial vs. terminal (fa from "false umbel," a type of inflorescence); Le/le for tall vs. dwarf (le is for length); R/r for round vs. wrinkled seeds (the Latin word rugosus means wrinkled). Notice that the phenotype "tall plant" may be conferred by the genotype Lele or Lele; this can be abbreviated as Le-, where the dash represents the alternative allele. The homozygous lele will show the recessive phenotype. Since an organism only shows the recessive phenotype when it is homozygous for that particular genotype, it is usually referred as the recessive. If a plant that is heterozygous for all three characters were allowed to self-fertilize, what proportion of the offspring would be expected to be as follows? A. Homozygous for the three dominant traits B. Homozygous for the three recessive traits C. Heterozygous for all three characters
Transcribed Image Text:Solve this problem using the rules of probability instead of Punnet squares, bifurcation forks, or mental visualization. Flower position, stem length, and seed shape were three of the traits that Mendel studied. Each is controlled by an independently assorting gene and has dominant and recessive expression as follows: • Axial inflorescence (flowers originate along the stems) is dominant over terminal (flowers on top of the stem). Long (“tall") stem is dominant over short stem (“dwarf"). • Round seed is dominant over wrinkled. Let's use the symbols Fa/fa for genes determining axial vs. terminal (fa from "false umbel," a type of inflorescence); Le/le for tall vs. dwarf (le is for length); R/r for round vs. wrinkled seeds (the Latin word rugosus means wrinkled). Notice that the phenotype "tall plant" may be conferred by the genotype Lele or Lele; this can be abbreviated as Le-, where the dash represents the alternative allele. The homozygous lele will show the recessive phenotype. Since an organism only shows the recessive phenotype when it is homozygous for that particular genotype, it is usually referred as the recessive. If a plant that is heterozygous for all three characters were allowed to self-fertilize, what proportion of the offspring would be expected to be as follows? A. Homozygous for the three dominant traits B. Homozygous for the three recessive traits C. Heterozygous for all three characters
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