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| Modern Genetic Analysis Chapter 8. Chromosome Mutations Chromosomal Rearrangements Figure 8-22. Photomicrograph of normal and aborted pollen of a semisterile corn plant. The clear pollen grains contain chromosomally unbalanced meiotic products of a reciprocal translocation heterozygote. The opaque pollen grains, which contain either the complete translocation genotype or normal chromosomes, are functional in fertilization and development. (William Sheridan)

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