answer:
sedimentary rock is formed when rocks start to weather away causing them to loosen. **weathering is the breaking down of rocks, soils, minerals, and artificial materials through contact with water, atmospheric gases, and biological organisms.** sedimentary rocks are formed from older rocks. the pieces of broken rocks are then transported (through water.) and over time the layers will become compacted (salt crystals 'glue' the layers together.)
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If the process of genetic drift was the cause of this phenomenon, then the resistance allele was also present in the original farm.
<h3>What is genetic drift?</h3>
Genetic drift is a genetic phenomenon that occurs when one allele is fixed in a population due to random chance.
Genetic drift is converse to natural selection, where an allele increases this frequency due to evolutionary constraints.
Genetic drift is well known to be the cause of allele fixation by founder population effects.
Learn more about genetic drift here:
brainly.com/question/22924933
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