Chromosomes of Normal and Dwarf Cattle
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Chromosomes of dwarf female cattle were observed in comparison with those of normal females and males. Normal as well as dwarf female cattle had 60 chromosomes, namely 29 telocentric autosome pairs and one submedian metacentric X pair. There was no difference in thh karyotype between normal and dwarf cattle. Male normal cattle had 29 telocentric autosome pairs and in addition a submedian X and a median metacentric Y chromosome. From the above investigation, it was considered that the character of dwarfism is not reflected in the karyotype being due to a sigle autosomal gene mutation.
- 日本遺伝学会の論文
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