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3. The ability to taste the chemical PTC is determined by a single dominant gene in humans. Suppose two heterozygous tasters (Tt) have a large family. Predict the proportion of their children who will be tasters and non-tasters. Must show both genotypic and phenotypic analyses. 4. Woodrats are medium sized rodents with many interesting behaviors. Let's assume that the trait of bringing home shiny objects is dominant to the trait of carrying home only dull objects. Suppose a heterozygous individual is crossed with a woodrat that collects only dull objects. What is the expected phenotypic ratio of the offspring? 5. The common grackle is a species of robin-sized blackbirds. Suppose that long tails (L) are dominant to short tails in these birds. A female short-tailed grackle mates with a male long-tailed grackle that had one parent with a long tail and one parent with a short tail. a. What is the male's genotype? Use the Punnett square to support your result.

3. The ability to taste the chemical PTC is determined by a single dominant gene in humans. Suppose two heterozygous tasters (Tt) have a large family. Predict the proportion of their children who will be tasters and non-tasters. Must show both genotypic and phenotypic analyses. 4. Woodrats are medium sized rodents with many interesting behaviors. Let's assume that the trait of bringing home shiny objects is dominant to the trait of carrying home only dull objects. Suppose a heterozygous individual is crossed with a woodrat that collects only dull objects. What is the expected phenotypic ratio of the offspring? 5. The common grackle is a species of robin-sized blackbirds. Suppose that long tails (L) are dominant to short tails in these birds. A female short-tailed grackle mates with a male long-tailed grackle that had one parent with a long tail and one parent with a short tail. a. What is the male's genotype? Use the Punnett square to support your result.

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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Monohybrid crosses Using Punnet square
3. The ability to taste the chemical PTC is determined by a single dominant gene in humans. Suppose two heterozygous tasters (Tt) have a large family. Predict the proportion of their children who will be tasters and non-tasters. Must show both genotypic and phenotypic analyses. 4. Woodrats are medium sized rodents with many interesting behaviors. Let's assume that the trait of bringing home shiny objects is dominant to the trait of carrying home only dull objects. Suppose a heterozygous individual is crossed with a woodrat that collects only dull objects. What is the expected phenotypic ratio of the offspring? 5. The common grackle is a species of robin-sized blackbirds. Suppose that long tails (L) are dominant to short tails in these birds. A female short-tailed grackle mates with a male long-tailed grackle that had one parent with a long tail and one parent with a short tail. a. What is the male's genotype? Use the Punnett square to support your result.
Transcribed Image Text:3. The ability to taste the chemical PTC is determined by a single dominant gene in humans. Suppose two heterozygous tasters (Tt) have a large family. Predict the proportion of their children who will be tasters and non-tasters. Must show both genotypic and phenotypic analyses. 4. Woodrats are medium sized rodents with many interesting behaviors. Let's assume that the trait of bringing home shiny objects is dominant to the trait of carrying home only dull objects. Suppose a heterozygous individual is crossed with a woodrat that collects only dull objects. What is the expected phenotypic ratio of the offspring? 5. The common grackle is a species of robin-sized blackbirds. Suppose that long tails (L) are dominant to short tails in these birds. A female short-tailed grackle mates with a male long-tailed grackle that had one parent with a long tail and one parent with a short tail. a. What is the male's genotype? Use the Punnett square to support your result.
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