Biology: How Life Works
Biology: How Life Works
3rd Edition
ISBN: 9781319017637
Author: James Morris, Daniel Hartl, Andrew Knoll, Melissa Michael, Robert Lue, Andrew Berry, Andrew Biewener, Brian Farrell, N. Michele Holbrook
Publisher: Macmillan Higher Education
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Chapter 15.4, Problem 11SAQ
Summary Introduction

To describe:

The reasons for single trait might not show 3:1 ratio of phenotype in the F2 generation of a cross between true-breeding strains, and also to describe the reason for a pair of traits might not show 9:3:3:1 ratio of phenotype in the F2 generation of a cross between true-breeding strains.

Concept introduction:

The genotype of an organism is defined as the genetic code present in its cells. This genetic constitution of an individual influences many of its traits and characteristics. A genotypic ratio refers to the distribution of the different allelic combinations regardless of the fact, if they are expressing the same trait phenotypically or not.

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How to solve genetics probability problems; Author: Shomu's Biology;https://www.youtube.com/watch?v=R0yjfb1ooUs;License: Standard YouTube License, CC-BY
Beyond Mendelian Genetics: Complex Patterns of Inheritance; Author: Professor Dave Explains;https://www.youtube.com/watch?v=-EmvmBuK-B8;License: Standard YouTube License, CC-BY