The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 64
... normal amount - but where the carbon dioxide concentration is normal . There is , as has already been pointed out , a slight sensitive- ness to oxygen - lack , and he therefore pants a little . But by panting he blows out most of the ...
... normal amount - but where the carbon dioxide concentration is normal . There is , as has already been pointed out , a slight sensitive- ness to oxygen - lack , and he therefore pants a little . But by panting he blows out most of the ...
Página 294
... normal one ( upper Two doses of the " waltzing gene produce a waltzer , but one dose of it together with one of the corresponding gene for normal progression leaves the animal normal , so the hybrids ( second row ) are normal . But if ...
... normal one ( upper Two doses of the " waltzing gene produce a waltzer , but one dose of it together with one of the corresponding gene for normal progression leaves the animal normal , so the hybrids ( second row ) are normal . But if ...
Página 298
... normal gene , in which case one child in four will have normal hands . If two normal people marry , the children cannot possibly be brachydactylous . If a brachydactyl marries a normal , the children will either be all brachydactylous ...
... normal gene , in which case one child in four will have normal hands . If two normal people marry , the children cannot possibly be brachydactylous . If a brachydactyl marries a normal , the children will either be all brachydactylous ...
Índice
THE RANGE NATURE AND STUDY OF LIVING THINGS | 3 |
66 | 5 |
muscles and related | 8 |
Otras 62 secciones no se muestran.
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Términos y frases comunes
active algæ animals arthropods bacteria become birds blood body bones brain branches called capillaries carbon carbon dioxide cells Cenozoic changes chemical chromosomes colour creatures crustaceans digestive Echinoderms eggs elaborate embryo Eocene Everyman evolution example eyes fact female fertilized fish flatworms flowers fluid forms fossils gametes genes germ-plasm glands grow growth heart human Ichthyosaurs important individual insects intestine kidneys kinds land larvæ layer less limbs liver living things lobster lungs male mammals marsupials matter means ment microscopic million molluscs mouse mouth movements muscles mutations nervous system normal notochord Obelia organs ovary ovum oxygen pair parasitic phylum plants polyps produced proteins prothallus protozoa reproduction reptiles round secretion sense-organs sexual shell skeleton skin species spermatozoa sperms spores stage starfish stomach structure substances surface swim tail teeth thyroid tiny tion tissue to-day tube types variations various vertebrates whole worms