Scale color in dragons is determined by two genes. The W gene is epistatic to the G gene. TheW allele is dominant and allows the production of pigment, while w is recessive and blockspigment formation, resulting in white dragons. When pigment formation is possible, thedominant G allele results in green dragon scales, while the recessive g allele results in blackdragon scales. The pigment formation pathway is shown belowW (Enzyme 1)G (Enzyme 2)White precursorBlack intermediate pigmentGreen pigmentа.What color scales would you expect in each of the following dragons?WwGgWwggWWGGwwggb. If you cross two dragons with WwGg genotype, what is the expected phenotypic ratios ofthe progeny?c. What kind of epistasis do we observe?

Name: Scale color in dragons is determined by two genes. The W gene is epis
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Description: Scale color in dragons is determined by two genes. The W gene is epistatic to the G gene. TheW allele is dominant and allows the production of pigment, while w is recessive and blockspigment formation, resulting in white dragons. When pigment format

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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
а.
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?

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A circumstance where the expression of one gene is affected by the expression of one or more independently inherited genes is known as the epistasis. In other words you can says that it is the interaction between genes that influences a phenotype. It is of different kind. These types are such as dominant, dominant inhibitory, duplicate dominant, recessive epistasis etc.

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