Diseases Science Homework Pathogen What is Malaria? Malaria is an infection passed through mosquitos it is coarsely free-base in hot/humid places where there is a circularize of rainwater and stagnant water pools. Malaria is caused by an infection of the release business cells with a tiny organism or parazoan called protozoa. in that location atomic number 18 4 important species of the malaria protozoa ( plasmodium falciparum, plasmodium vivax, Plasmodium ovale and Plasmodium malariae) and each has a slightly different effect. These organisms ar carried from psyche to person by the Anopheles mosquito. When it bites an infected person, the mosquito sucks up crease containing the parasite, which whitethorn then be passed on to the mosquitos nigh victim. Symptoms The principal(prenominal) symptom of malaria is a fever that occurs in fixture episodes, with sudate and shivers ( cognize as rigors), and exhaustion (because of anaemia). In some cases, it disregar d affect the brain or kidneys. Also causes pain at bottom joints. Genetic Disorder Down syndrome Downs syndrome is a genetic embodiment cognize as trisomy, where a person inherits an purposeless transcript of atomic number 53 chromosome. People with the syndrome stimulate triplet copies of chromosome 21 rather than the usual two.

This additional genetic clobber changes the finely tuned balance of the organic structure and results in diagnostic physical and intellectual features. Its not cognise why this abnormality occurs, but it affects around sensation in 1,000 babies born in the UK - about 750 babies a year - and is the virtually common transmitted cause of learning di sability. There are 3 known types: Regula! r trisomy 21 - all the cells give way an special(a) chromosome 21. Around 94 per penny of people with Downs syndrome have this type. Translocation - the extra chromosome 21 material is attached to another chromosome and one of the parents may carry the translocated chromosome without any signs of the condition themselves. This accounts for around 4 per cent of cases. Mosaic - only some of the cells have an extra chromosome 21....If you indispensableness to get a full essay, order it on our website:
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