ScienceJohn Michels (Journalist) 1957 |
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Стр. 182
... genetic death does not always produce a cadaver . It should be kept in mind that flies , like men , are diploid ; a fly has the sec- ond , the third , and the fourth chromo- some each represented twice . It can be shown by simple ...
... genetic death does not always produce a cadaver . It should be kept in mind that flies , like men , are diploid ; a fly has the sec- ond , the third , and the fourth chromo- some each represented twice . It can be shown by simple ...
Стр. 183
... genetics long ago demonstrated that if a heterozygote for a pair of genetic factors has an adaptive value higher than both homozygotes , then natural selection will maintain both factors in the popu- lation indefinitely . This is called ...
... genetics long ago demonstrated that if a heterozygote for a pair of genetic factors has an adaptive value higher than both homozygotes , then natural selection will maintain both factors in the popu- lation indefinitely . This is called ...
Стр. 241
... genetic information is transmitted from generation to gen- eration in all organisms , sexual and The author is ... genetic ex- periments to carry the units of heredity , the genes , are made up chiefly of deoxy- ribose nucleic acid and a ...
... genetic information is transmitted from generation to gen- eration in all organisms , sexual and The author is ... genetic ex- periments to carry the units of heredity , the genes , are made up chiefly of deoxy- ribose nucleic acid and a ...
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Chlorpromazine and reserpine prevention | 7 |
3262 | 9 |
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