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5) Scale color in dragons is determined by two genes. The W gene is epistatic to the G gene. The W allele is dominant and allows the production of pigment, while w is recessive and blocks pigment formation, resulting in white dragons. When pigment formation is possible, the dominant G allele results in green dragon scales, while the recessive g allele results in black dragon scales. The pigment formation pathway is shown below. W (Enzyme 1) G (Enzyme 2) White precursor Black intermediate pigment Green pigment a. What color scales would you expect in each of the following dragons? WwGg Wwgg wwgg b. If you cross two dragons with WwGg genotype, what is the expected phenotypic ratios of the progeny? c. What kind of epistasis do we observe?

5) Scale color in dragons is determined by two genes. The W gene is epistatic to the G gene. The W allele is dominant and allows the production of pigment, while w is recessive and blocks pigment formation, resulting in white dragons. When pigment formation is possible, the dominant G allele results in green dragon scales, while the recessive g allele results in black dragon scales. The pigment formation pathway is shown below. W (Enzyme 1) G (Enzyme 2) White precursor Black intermediate pigment Green pigment a. What color scales would you expect in each of the following dragons? WwGg Wwgg wwgg b. If you cross two dragons with WwGg genotype, what is the expected phenotypic ratios of the progeny? c. What kind of epistasis do we observe?

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
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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5) Scale color in dragons is determined by two genes. The W gene is epistatic to the G gene. The W allele is dominant and allows the production of pigment, while w is recessive and blocks pigment formation, resulting in white dragons. When pigment formation is possible, the dominant Gallele results in green dragon scales, while the recessive g allele results in black dragon scales. The pigment formation pathway is shown below. W (Enzyme 1) G (Enzyme 2) White precursor Black intermediate pigment → Green pigment a. What color scales would you expect in each of the following dragons? WwGg Wwgg wwGG wwgg b. If you cross two dragons with WwGg genotype, what is the expected phenotypic ratios of the progeny? c. What kind of epistasis do we observe?
Transcribed Image Text:5) Scale color in dragons is determined by two genes. The W gene is epistatic to the G gene. The W allele is dominant and allows the production of pigment, while w is recessive and blocks pigment formation, resulting in white dragons. When pigment formation is possible, the dominant Gallele results in green dragon scales, while the recessive g allele results in black dragon scales. The pigment formation pathway is shown below. W (Enzyme 1) G (Enzyme 2) White precursor Black intermediate pigment → Green pigment a. What color scales would you expect in each of the following dragons? WwGg Wwgg wwGG wwgg b. If you cross two dragons with WwGg genotype, what is the expected phenotypic ratios of the progeny? c. What kind of epistasis do we observe?
Expert Solution
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Epistasis is also known as non allelic interaction.

 It does not follow Mendel's laws.

 

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