Titlebook: General Genetics; M. J. Sirks Book 1956 Springer Science+Business Media Dordrecht 1956 chromosome.genes.genetics.population.sex

Ringworm

The Mutual Similarity of Reciprocal Crosses,ference which of these species was taken as the mother and which as the father. In both cases, the same result was obtained; the F.-generation of . ♀ × .. .. was not distinguishable from that of the reverse or reciprocal cross . ♀ × ... Although he found deviations from this rule of the similarity o

Magnificent

Distribution

Engaged

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委托

The Moment of Factor Segregation,e organism does the segregation of heritable factors take place? From the original Mendelian point of view, only one answer can be given: the moment of segregation of the factors in the hybrid lies in the instant of the formation of the gametes. . believed this on the strength of his experimental da

恭维

True-Breeding Hybrids,ns led them to the conclusion that descendants of hybrids were changeable and of different types, however, on the side of the florists, the opinion was held that fertile hybrids were uniform and could maintain themselves as a true species. It was difficult for . to take sides in these alternatives.

手术刀

蔓藤图饰

Change in the Heritable Predisposition of the Individual,contradict all heredity; viz., the origin of new forms which are heritably different from their parents. If heredity is to maintain its reputation as phenomenon of life worthy of investigation and a vital point in many scientific problems, then genetics must be aware of this contradiction and give a

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