heterochromosome
Example Sentences
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The chromosomes in the spermatogonial plates were in most cases much tangled, and the behavior of the heterochromosome pair was such as to suggest an "accessory chromosome" rather than an unequal pair.
From Studies in Spermatogenesis Part II by Stevens, Nettie Maria
Of the insects considered in this paper Aphis and Termopsis have no "accessory chromosome" or "heterochromosome" of any kind.
From Studies in Spermatogenesis Part I by Stevens, Nettie Maria
First spermatocyte, spireme stage, showing the larger and smaller heterochromosome associated with a plasmosome. 65-68.
From Studies in Spermatogenesis Part II by Stevens, Nettie Maria
First spermatocyte, growth stage showing the heterochromosome group.
From Studies in Spermatogenesis Part II by Stevens, Nettie Maria
As to the second alternative, I see no reason for supposing that the small heterochromosome of a pair is in any different condition, as to activity, from the large one.
From Studies in Spermatogenesis Part II by Stevens, Nettie Maria