1. Education
Send to a Friend via Email
You can opt-out at any time. Please refer to our privacy policy for contact information.

Discuss in my forum

True-breeding Plant

By

Fresh peas
Alexandra Grablewski/ Photodisc/ Getty Images
Definition: A true-breeding plant is one that, when self-fertilized, only produces offspring with the same traits. The alleles for these type of plants are homozygous. The process by which genes for particular traits are transmitted was discovered by Gregor Mendel and formulated in what is known as Mendel's law of segregation.

Examples:
The gene for seed shape in pea plants exists in two forms, one form or allele for round seed shape (R) and the other for wrinkled seed shape (r). A true-breeding round seed plant would be (RR) for that trait and a true-breeding wrinkled seed plant would be (rr).
  1. About.com
  2. Education
  3. Biology
  4. Biology Dictionary
  5. Genetics Glossary
  6. True-Breeding Plant - Biology Glossary Definition

©2014 About.com. All rights reserved.