Research Notes : Genes y9 and y11 for similar chlorophyll deficiencies prove to be non-allelic

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1983-04-01
Authors
Bernard, R.
Palmer, Reid
Giles, B.
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Iowa State University Digital Repository
Abstract

T219H and Tl35, two of the more vigorous chlorophyll-deficient types in the Genetic Type Collection, both have distinctly light green foliage through-out their life cycle. They are controlled by different genes since the Tl35 phenotype is caused by a homozygote, y9y9 (Probst, 1950), and the T219H phenotype by a heterozygote, Y11Y11 (Y11Y11 has a bright orange-yellow seedling-lethal phenotype) (Weber and Weiss, 1959). However, because of the similar phenotypes, it has been suggested that y9 and y11 may be multiple alleles at the same locus.

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