Answer: True
Explanation:
When an allele that is dominate and favoured in an individual carrying are heterozygous and the large fitness difference between heterozygous and the homozygotes not in use results to a rapid change in the frequencies of the allele.
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All the deserts are found at 30<span>°N because
</span><span>Hot air from the equator rises, then cools, moisture is lost, and the dry air comes down at 30 degrees north and south</span>
Answer:
Blue Crabs can last up to 24 hours out of the water as long as they are kept cool and moist.
Explanation:
Answer:
1. D- Within cultures that rely on milk-producing animals, individuals who tolerated lactose had a survival advantage.
2. B- Genetic drift is the random increase or decrease of certain genes in a population; natural selection is not random.
3. A- An interferon activates the body's immune system response to a virus.
4. D- Each persons immune system employs different tactics to get rid of the virus.
5. D- yes, because mutated viruses are able to infect more hosts.
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