Science, Volumen51John Michels (Journalist) American Association for the Advancement of Science, 1920 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Página 376
... diecious group . The line of zygospores , which results when the opposite sexes of the diecious species Mucor Mucedo are grown in contact , is shown in the chart . The swollen heads produced on erect filaments from the plant on the ...
... diecious group . The line of zygospores , which results when the opposite sexes of the diecious species Mucor Mucedo are grown in contact , is shown in the chart . The swollen heads produced on erect filaments from the plant on the ...
Página 377
... diecious species there are only two sexes present but at first there was no assurance that the two sexes of a given species were the same as those of any other . It has been dis- covered , however , that the opposite sexes of different ...
... diecious species there are only two sexes present but at first there was no assurance that the two sexes of a given species were the same as those of any other . It has been dis- covered , however , that the opposite sexes of different ...
Página 379
... diecious species , however , there are two types of zygo- spore germination . In Mucor Mucedo the spores in a germ sporangium are all of the same sex - plus or minus , never mixed . In Phycomyces , on the other hand , the germ ...
... diecious species , however , there are two types of zygo- spore germination . In Mucor Mucedo the spores in a germ sporangium are all of the same sex - plus or minus , never mixed . In Phycomyces , on the other hand , the germ ...
Página 380
... diecious mucors are not to be homologized with diecious flowering plants and higher animals . More nearly are the sexual races of mucors to be compared with the gametes themselves of such higher plants and animals . ENVIRONMENTAL ...
... diecious mucors are not to be homologized with diecious flowering plants and higher animals . More nearly are the sexual races of mucors to be compared with the gametes themselves of such higher plants and animals . ENVIRONMENTAL ...
Página 381
... diecious race from a hermaphroditic species . With the exception of the dwarf mutant which has been kept running since 1913 , but which does not pro- duce sporangia , and another possible exception , DISTRIBUTION OF SEXUAL TYPES IN ...
... diecious race from a hermaphroditic species . With the exception of the dwarf mutant which has been kept running since 1913 , but which does not pro- duce sporangia , and another possible exception , DISTRIBUTION OF SEXUAL TYPES IN ...
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Academy of Sciences acid active Advancement of Science Agriculture American Association American Chemical Society animals annual applied appointed Asso Barosaurus biological botanists botany Bureau cent chemical chemistry Chicago College committee cooperation course diecious director disease division effect elected electrons ence engineering entodermal experiments fact factors fessor field gametes Geological Survey geologist given ical Illinois important increase industry Institute interest intersexes investigation John knowledge laboratory lectures mathematical Medical School medicine meeting ment method motion Mucor Museum National Research Council nature notochord observed obtained organization papers physics physiology plant possible present president problems Professor projectile public health recently relation SCIENCE FRIDAY scientific secretary Section Society soil solar eclipse species station temperature theory tion United Univer University velocity versity Washington William William Osler Yale University York zoology zygospores
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