Agronomy and Horticulture, Department of

 

The Inheritance of Variation

Document Type

Learning Object

Date of this Version

2003

Citation

Plant and Soil Sciences eLibrary (PASSeL) Lesson

Comments

Copyright © 2003 Don Lee. Used by permission.

Development of this lesson was supported in part by Cooperative State Research, Education, & Extension Service, U.S. Dept. of Agriculture under Agreement Number 98-EATP-1-0403 administered by Cornell University and the American Distance Education Consortium (ADEC). Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author and do not necessarily reflect the view of the U.S. Department of Agriculture.

Abstract

Objectives

An introduction to genetic inheritance, including the principles of segregation and dominance.

At the completion of this lesson you should be able to:

  1. Define the following terms: truebreeding, M1, M2, M3, F1, F2, F3, gamete, gene, gene pairs, allele, genotype, phenotype, monohybrid cross, heterozygous, and homozygous.
  2. Apply the principles of segregation and dominance to explain the inheritance of traits that are carefully monitored in a classical genetics experiment.
  3. Explain why planting seeds in progeny rows helps a geneticist determine the genotype of parents.

Modules:

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