A long Y chromosome in man |
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Authors: | Sajiro Makino Masao S Sasaki Kiyomi Yamada Tadashi Kajii |
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Institution: | (1) Department of Zoology, Hokkaido University, Sapporo |
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Abstract: | Summary An unusually long Y chromosome was described in the phenotypically normal father and paternal grandfather of a girl with Down's syndrome, and likewise in a male infant with multiple malformations and his father, normal in phenotype. Measurements revealed that the long Y chromosome corresponded in length to autosomes of group 16–18.Information was obtained to show that the increased length of the Y chromosome was an inheritable character, and that a long Y chromosome was not always associated with an abnormal phenotype (or phenotypes).Contribution No. 585 from the Zoological Institute, Hokkaido University. |
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