The Journal of Heredity 1984:75(2):149-150
© 1984 The American Genetic Association 75:149-150
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Behavior of sex chromosomes during meiosis in the house shrew
Department of Genetics, Section of Cellular Genetics, University of Texas M.D. Anderson Hospital and Tumor Institute at Houston, Houston, TX 77030
Department of Zoology, University of Mysore, Manasa Gangotri Mysore 570 006, India
Abstract
The behavlor of the sex chromosomes during meiosis in the house shrew, Suncus murinus, shows some interesting features. Both X- and Y-chromosomes are large and biarmed and have huge segments of C-band material in noncentromeric areas. A distinct chiasma is formed between the short arms of the X and Y chromosomes and the heterochromatic regions in the bivalents show desynapsis in the form of a bulge.