. The Biological bulletin. Biology; Zoology; Marine biology. MATURATION OF MALE EGGS IN APHIS. 73 This year an unusual number of the apterous, male-producing individuals were secured. Some were fixed and sectioned, others dissected and the eggs and embryos studied in Schneider's aceto- carmine. The sections gave no favorable stages. Out of a large. Fig. I. Equatorial plate of maturation mitosis of male aphid egg. Outline of egg and membrane shown above, x, the double chromosome. Zeiss , cam. number of aceto-carmine preparations, one egg was found which had the maturation spindle in metaph


. The Biological bulletin. Biology; Zoology; Marine biology. MATURATION OF MALE EGGS IN APHIS. 73 This year an unusual number of the apterous, male-producing individuals were secured. Some were fixed and sectioned, others dissected and the eggs and embryos studied in Schneider's aceto- carmine. The sections gave no favorable stages. Out of a large. Fig. I. Equatorial plate of maturation mitosis of male aphid egg. Outline of egg and membrane shown above, x, the double chromosome. Zeiss , cam. number of aceto-carmine preparations, one egg was found which had the maturation spindle in metaphase. This was taken from an individual in which the older embryos were certainly male. The equatorial plate contained nine chromosomes, ten being the. 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 Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-; Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report; HighWire Press. Lancaster, Pa. [etc. ] : Lancaster Press, inc. [etc. ]


Size: 2775px × 901px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1890, booksubjectb, booksubjectzoology