Summary
A fowl with the left side of the body larger than the right is described. It is shown that, though the size difference is similar to that distinguishing male and female this bird was most probably not a gynandromorph.
The lateral asymmetry is explained on the assumption that an autosome carrying white had been eliminated during the early cleavage divisions of a male zygote heterozygous for the characters white and yellow epidermal pigmentation.
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References
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Crew, F.A.E. A case of lateral asymmetry in the domestic fowl. Journ. of Gen. 20, 179–186 (1928). https://doi.org/10.1007/BF02983138
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DOI: https://doi.org/10.1007/BF02983138