Abstract
FOR a long time it was thought that the Drosophila X-chromosomes were genetically very homogeneous. As one-third of the X-chromosomes in the populations are carried by the males in haploid condition, the X-chromosome genes are much more exposed to natural selection than the autosomic genes. Kerr and Kerr1 have shown, however, that D. melanogaster X-chromosomes from natural populations carry a large amount of concealed variability.
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References
Kerr, W. E., and Kerr, L. S., Amer. Nat., 86, 405 (1952).
Dobzhansky, Th., Burla, H., and da Cunha, A. B., Amer. Nat., 84, 229 (1950).
da Cunha, A. B., Burla, H., and Dobzhansky, Th., Evolution, 4, 212 (1950).
Wallace, B., Evolution, 2, 189 (1948).
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DA CUNHA, A. Chromosomal Inversions with Sex-limited Effects. Nature 172, 815–816 (1953). https://doi.org/10.1038/172815b0
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DOI: https://doi.org/10.1038/172815b0
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