b. protozoa
One of the four species of protozoan in the genus Plasmodium is responsible for the acute or subacute infectious disease known as malaria.
<h3>A virus or a bacteria causes malaria?</h3>
- A virus or bacteria cannot cause malaria.
- Plasmodium, a parasite that often spreads through infected mosquitoes, is what causes malaria.
- A mosquito consumes Plasmodia that are present in blood when it feeds on an infected human.
<h3>How do protozoa cause malaria?</h3>
- The female anopheles mosquito bite is the primary method of transmission of malaria, a protozoan infection of the red blood cells.
- The Plasmodium genus of protozoa is what causes malaria.
- Four different types of malaria parasites can infect people: Plasmodium malariae, vivax, ovale, and falciparum
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The frequency of carriers of the albino allele in the
population is. If
To solve this problem, we need to consider the Hardy-Weinberg
equation which is the following:
p^2 + 2pq + q^2 = 1
where: p = frequency
of the "A" allele
q = frequency of the "a"
allele
In other words, p^2 refers to the frequency of the
homozygous(dominant) genotype AA, q^2 represents the frequency of the
homozygous(recessive) genotype aa, and 2pq represents the frequency of the
heterozygous genotype.
In the problem, if q = 0.01, and p = 0.99, then the
frequency of carriers is 2pq which then becomes 0.0099 x 2. Thus, the predicted
frequency of Caucasians in the U.S. who carry a single albino allele is 0.0198.