Biased Transmission of Genes and Chromosomes

  • Wayne R. Carlson
Part of the Springer Lab Manuals book series (SLM)


Most genes and chromosomes in maize are represented in the gametes according to their frequencies in the parent. However, a number of exceptions have been found. The exceptions can usually be attributed to one of the following phenomena:
  1. 1.

    Accumulation mechanisms

  2. 2.

    Lethal or semilethal chromosomal deficiencies

  3. 3.

    Translocation heterozygotes that produce viable adjacent 1 gametes

  4. 4.

    Genes that affect zygotic or gametophytic viability



Accumulation Mechanism Pollen Mitosis Translocation Heterozygote Recessive Phenotype Reciprocal Backcross 
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© Springer-Verlag New York, Inc. 1994

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  • Wayne R. Carlson

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