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Vlada [557]
3 years ago
6

Dawkins suggests that selection is powerful yet unconscious of it's actions ("without any understanding at all"). He uses a vari

ety of examples to highlight how various organisms drive selection, sometimes consciously and sometimes unconsciously, by mediating the breeding process. Using one of the examples explain how some organisms unconsciously drive the selection of others
Biology
1 answer:
Andrej [43]3 years ago
3 0

Answer:

An example some organisms unconsciously drive the selection of others is DOMESTICATION in plants

Explanation:

In plant domestication, unconscious selection brought about by the fact that the plants concerned were taken from their original wild habitats and placed in new and very different human-made or human-managed environments.

The shift in the ecology led automatically to drastic changes in selection pressures. Numerous adaptations vital for survival in the wild environments lost their fitness under the new sets of conditions. New traits were automatically selected, resulting in the build-up of characteristic “domestication syndromes,” each fitting the specific agricultural environment provided by the farmer.

With this explanation, it can be established that the wild plants unconsciously drive the selection of domestic plants, through a change in habitat by farmer

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Agrobacterium infects plants and causes them to form tumors. You determine that tumor formation requires a large amount of the p
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Answer:

<em>Agrobacterium</em> <em>tumefaciens</em> is a gram negative bacteria that is responsible for tumor formation in the different parts of plant body.

Explanation:

It causes crown-gall disease in plant body by transferring it's DNA into the plant body which include Ti plasmid.

There are 3 types of bacteria that form tumor in different plant ares.

<em>Agrobacterium rhizogenes</em>,<em> Agrobacterium tumefaciens</em> strains contain either Ti or Ri plasmid but <em>Agrobacterium vitis</em> contain only Ti plasmid   which are virulent.

The transfer of T-DNA takes place into the body of host cells and then the DNA is expressed into the body of the host and thus forming gall or tumor.

8 0
3 years ago
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In June 2003, the FDA approved the FluMist vaccine for influenza, which is administered by squirting tiny amounts of vaccine int
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Answer:

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Answer:

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Explanation:

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