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1) Devise a genetic explanation for the three crosses. 2) Predict the F₁ and F2 phenotypic ratios from crossing sapphire with Aleutian pure lines..

1) Devise a genetic explanation for the three crosses. 2) Predict the F₁ and F2 phenotypic ratios from crossing sapphire with Aleutian pure lines..

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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G. In minks, wild types have an almost black coat. Breeders have developed many pure lines of color variants for the mink-coat industry. Two such pure lines are platinum (blue gray) and Aleutian (steel gray). These lines were used in crosses, with the following results: Cross 1 2 3 Parents Wild x Platinum Wild x Aleutian Platinum x Aleutian F₁ Wild Wild Wild F₂ 18 Wild, 5 Platinum 27 Wild, 10 Aleutian 133 Wild, 41 Platinum, 46 Aleutian, 17 Sapphire (new phenotype) 1) Devise a genetic explanation for the three crosses. 2) Predict the F₁ and F2 phenotypic ratios from crossing sapphire with Aleutian pure lines.
Transcribed Image Text:G. In minks, wild types have an almost black coat. Breeders have developed many pure lines of color variants for the mink-coat industry. Two such pure lines are platinum (blue gray) and Aleutian (steel gray). These lines were used in crosses, with the following results: Cross 1 2 3 Parents Wild x Platinum Wild x Aleutian Platinum x Aleutian F₁ Wild Wild Wild F₂ 18 Wild, 5 Platinum 27 Wild, 10 Aleutian 133 Wild, 41 Platinum, 46 Aleutian, 17 Sapphire (new phenotype) 1) Devise a genetic explanation for the three crosses. 2) Predict the F₁ and F2 phenotypic ratios from crossing sapphire with Aleutian pure lines.
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