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The greatest of all mammals is the platypus, sometimes called the duckbilled platypus. Their bills have a variety of shapes naturally: flat, bowed, rounded and flexible, but the normal appearance is the broad bill. At the San Diego Zoo Safari Park they have been keeping track of their platypuses, noting the genetics shown below. The F1 were self-crossed to yield the F2. All original crosses were true breeding. Original Cross Rounded x Bowed Flat x Bowed Rounded x Flat Broad x Bowed F₁ 100% Bowed 100% Flat 100% Flat 100% Broad F₂ 71% Bowed, 29% Rounded 75% Flat, 25% Bowed 72% Flat, 28% Rounded 77% Broad, 17% Bowed, 6% Concave • Derive the allelic series • Explain the genetics of the last cross. Be specific. • Write down a null hypothesis for the last cross, assuming you were testing its validity using a chi square analysis.

The greatest of all mammals is the platypus, sometimes called the duckbilled platypus. Their bills have a variety of shapes naturally: flat, bowed, rounded and flexible, but the normal appearance is the broad bill. At the San Diego Zoo Safari Park they have been keeping track of their platypuses, noting the genetics shown below. The F1 were self-crossed to yield the F2. All original crosses were true breeding. Original Cross Rounded x Bowed Flat x Bowed Rounded x Flat Broad x Bowed F₁ 100% Bowed 100% Flat 100% Flat 100% Broad F₂ 71% Bowed, 29% Rounded 75% Flat, 25% Bowed 72% Flat, 28% Rounded 77% Broad, 17% Bowed, 6% Concave • Derive the allelic series • Explain the genetics of the last cross. Be specific. • Write down a null hypothesis for the last cross, assuming you were testing its validity using a chi square analysis.

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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The greatest of all mammals is the platypus, sometimes called the duckbilled platypus. Their bills have a variety of shapes naturally: flat, bowed, rounded and flexible, but the normal appearance is the broad bill. At the San Diego Zoo Safari Park they have been keeping track of their platypuses, noting the genetics shown below. The F1 were self-crossed to yield the F2. All original crosses were true breeding. Original Cross F1 100% Bowed F2 71% Bowed, 29% Rounded 75% Flat, 25% Bowed Rounded x Bowed Flat x Bowed 100% Flat Rounded x Flat 100% Flat 72% Flat, 28% Rounded Broad x Bowed 100% Broad 77% Broad, 17% Bowed, 6% Concave Derive the allelic series • Explain the genetics of the last cross. Be specific. Write down a null hypothesis for the last cross, assuming you were testing its validity using a chi square analysis.
Transcribed Image Text:The greatest of all mammals is the platypus, sometimes called the duckbilled platypus. Their bills have a variety of shapes naturally: flat, bowed, rounded and flexible, but the normal appearance is the broad bill. At the San Diego Zoo Safari Park they have been keeping track of their platypuses, noting the genetics shown below. The F1 were self-crossed to yield the F2. All original crosses were true breeding. Original Cross F1 100% Bowed F2 71% Bowed, 29% Rounded 75% Flat, 25% Bowed Rounded x Bowed Flat x Bowed 100% Flat Rounded x Flat 100% Flat 72% Flat, 28% Rounded Broad x Bowed 100% Broad 77% Broad, 17% Bowed, 6% Concave Derive the allelic series • Explain the genetics of the last cross. Be specific. Write down a null hypothesis for the last cross, assuming you were testing its validity using a chi square analysis.
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