. Elements of plant biology. Plant physiology. i88 ORIGIN OF SEX AND OF THE SOMA times the process of division continues further, so that by repeated bipartitions from eight to sixty-four cells are formed, their size varying inversely as the number produced. In some species they secrete cell walls, in some their bodies are naked, but in other. Fig. 21.—Conjugation of Chlamydomonas : a, gametes approaching one another; b and c, stages of fusion; d, zygote. (After Dill.) respects they are identical with the ordinary indi- viduals. When these larger numbers of small daughter cells are produced, t
. Elements of plant biology. Plant physiology. i88 ORIGIN OF SEX AND OF THE SOMA times the process of division continues further, so that by repeated bipartitions from eight to sixty-four cells are formed, their size varying inversely as the number produced. In some species they secrete cell walls, in some their bodies are naked, but in other. Fig. 21.—Conjugation of Chlamydomonas : a, gametes approaching one another; b and c, stages of fusion; d, zygote. (After Dill.) respects they are identical with the ordinary indi- viduals. When these larger numbers of small daughter cells are produced, they do not, as a rule, at once grow into full-sized individuals, but conjugate in pairs, and are hence called gametes.^ In the process of con- • Greek yanico, 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 Tansley, Arthur George, 1871-. London, George Allen & Unwin Ltd. ; New York, Dodd, Mead & Co
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectplantph, bookyear1922
