It is considered a diploid.
Mutation causes change in an organisms DNA, resulting in a change in all aspects of the organisms life. It affects how the organism looks, and how it behaves. If there was no mutation, an organism could not change, therefore there wouldn't be evolution at all.
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Upon reinfection, the memory cells will immediately differentiate into plasma cells and CTLs without input from APCs or TH cells.</em></u></h2>
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Cerebrum is the largest and most complex region.
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Drought in this region is frequent, lasting one to two months on average, and ... Prairie grasslands extend eastward from the Canadian Rockies to the ... The extreme nature of climate on the prairies was first highlighted in relation to ... prairies, a well-defined gradient existed in Tmn, extending from a high of around −12.5 °C