. Carnegie Institution of Washington publication. INHERITANCE OF MINOR VARIATIONS IN INTENSITY. 89 In tables 39 and 40 are given the mean grades at birth and when more than 4 months old for all guinea-pigs which were graded these two times. These data are arranged by constitution and stock. In most cases the mean grade at birth of the sample graded twice agrees well with the mean grade at birth of the whole array of the same constitu- tion and stock. Black0 Sap, Sep. FIG. 6.—Variations in intensity of dilute blacks. Formula and stock printed near mode of each distribution. VARIATIONS OF YELLOW
. Carnegie Institution of Washington publication. INHERITANCE OF MINOR VARIATIONS IN INTENSITY. 89 In tables 39 and 40 are given the mean grades at birth and when more than 4 months old for all guinea-pigs which were graded these two times. These data are arranged by constitution and stock. In most cases the mean grade at birth of the sample graded twice agrees well with the mean grade at birth of the whole array of the same constitu- tion and stock. Black0 Sap, Sep. FIG. 6.—Variations in intensity of dilute blacks. Formula and stock printed near mode of each distribution. VARIATIONS OF YELLOW. I owe the suggestion that heterozygous albinism may be correlated with extreme dilution of yellow to Professor Castle, who found that attempts to select for a cream stock of maximum dilution led to stocks which invariably gave numerous albinos. The tables and figures con- firm this suggestion in a very striking way. Animals known to be homozygous dilute (CdCd) vary between yellow2 and yellow4 with the mean at Those known to transmit albinism vary between. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
Size: 1331px × 1878px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorcarnegie, bookcentury1900, bookdecade1900, bookyear1902
