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Chii nhodzera? Pokugara nhaka yayo mhando
genetics
Chii nhaka, kunyange kuziva vana vakawanda, asi kuti sayenzi yedzinza - zviri genetics, haasi munhu wose anoziva.
marudzi genetics
Kana isu nezvazvo genetics kwevanhu, zvino kuiganhura vachiita marudzi anotevera:
- Population. Mubasa mukudzidza masero pezvakaitwa mumapoka evanhu vari kutora nzvimbo chete tsanangudzo muchato, achifuridzirwa mutation, selection, kusurukirwa, kana kutama. Iye zvakare kudzidza mitemo inotungamirwa womunhu genotype.
- Nemakemikari. Iye anga kudzidza zvakananga, majini kuzvidzora nokukanganisika Syntheses vachishandisa kupfuura ano unyanzvi nemakemikari omuviri (electrophoresis, pachisara chromatography, etc.).
- Cytogenetics. Rave kudzidza zvinhu vatakuri yedzinza, kuti ari kudzidza okutodza, avo nerevane nechivako.
- Immunogenetics. It anomira kunze nokuda kwoUmambo zhinji immunological zvinhu. Kumboda izvozvo maantigen pamusoro leukocytes uye erythrocytes, mapuroteni ropa serum.
Mhando yedzinza
Pari, zvinotevera mhando nhaka:
Nzira kutaipa nhodzera yenyukireya:
- Nhaka autosomal recessive kushoma (kwete muchizvarwa chimwe nechimwe). With ichi chiri vabereki zvose nevana vavo, zvakare, haigoni kudziviswa. Zvingavawo vana vabereki vaya vasina zvakadaro zvinhu;
- autosomal chikuru kunoitika muchizvarwa ose. Pane uchapupu pane rimwe vabereki mwana, zvakare, zvichaitika;
- golandricheskoe (concatenated pamwe Y - chromosome) ndiro chete munhurume maitiro uye zvakafanana. Iri kuburikidza murume mutsetse;
- pamwe recessive X - chromosome hariwanikwi. Vakadzi vanogona chete kuva chiitiko kuti chiratidzo ichi chinobva baba vake;
- zvakazara ne X - chromosome mune vakadzi 2 nguva kakawanda.
2. Cytoplasmic. Zvinonzi dzakaonekwa nokuenzanisa migumisiro siyana itirana michinjikwa.
Mumamiriro ezvinhu akafanana, vanhu achazvikudza zvakasiyana. A chokwadi anonzi kuti yedzinza. Asi kunyange inoita basa rinokosha muupenyu hwevanhu uye kukura, zvakatipoteredza, zvakare, ine rakanaka zvikuru. The yokupedzisira paumbwe munhu kunobva mupfungwa uye mumuviri pakurovedza wacho. Nhodzera uye mamiriro ezvinhu anogara zvakabatana. The yakanaka zvakatipoteredza, mukuru mukana mwana kurera yekutenga munhu, kunyange kana majini nhaka murombo. Zvino, kupindura mubvunzo: "Chii nhodzera", unogona kurera zvinoshamisa munhu.
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