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To the question about why there are numerous examples of randomchanges are transmitted to offspring, and why there are no examples of transfer inchanges offspring functional origin, this question canto be three answers. The first answer is that changes of the first kind for the most partclearly visible, whereas changes of the second kind is almost always invisible.When a child is born with six fingers, such anomaly not only easyseen, but is so striking that attracts a largeattention. And when a child, having reached adulthood, will give the six-fingered manthe progeny, in the neighborhood know all about it. Dove, differing especiallydyed feathers or length and width of his tail or a swollen neck,attracts the attention of his strangeness; and if his offspring keepsthese features, incidentally, may be increased, such fact shall be noteda feature trying to fix the selection. Lamb, who becamenot able to jump due to korotkoi their feet will not fail to payattention. And the fact that his descendants have retained the sameshort-legged and began using it is unable to get over the fencebegins inevitably to widespread. Same thing withplants. If any flower has an excessive number of petals, orthe unusually symmetrical arrangement of parts, or any otherthe difference from the flower of this genus, especially with respect to colouring, somethingthis flower easily draws the attention of the gardener; and the assumption thatthis time, the resulting anomaly is inherited, often causesproduction experiments that lead him further proofof this kind. But quite different is the case with functionalacquired changes. Location almost always isthe muscular, bone and nervous system, intestines, - in General, such partsbody that is fully or partly hidden from sight. Changes in the nervouscenters absolutely inaccessible to the gaze; bones can be very strongchanges in size or form, without calling attention to these changes; andincrease or decrease muscle covered, as in most animals,familiar, thick covers should be large enough toto make themselves visible at external examination.
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