genetika
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ministerstvo visshego obrazovaniya, nauki i innovatsiy respubliki uzbekistan ministerstvo zdravoxraneniya respubliki uzbekistan ferganskiy meditsinskiy institut obshestvennogo zdorovya zadacha 1: v eksperimente na rasteniyax podvergali semena vozdeystviyu uf-izlucheniya, chtobi vizvat mutatsii. v pervoy gruppe aktivirovali fermenti reparatsii dnk, vo vtoroy — net. v pervoy gruppe vijilo 80% semyan, a vo vtoroy — tolko 40%. kakoy protsess obespechil ustoychivost pervoy gruppi? reshenie: v pervoy gruppe fermenti reparatsii dnk ustranili povrejdeniya, vizvannie uf-izlucheniem, chto povisilo vijivaemost semyan. otvet: reparatsiya dnk. zadacha 2: v opite na mux drozofil opredelili, chto geni, raspolojennie na odnoy xromosome, peredayutsya vmeste, esli oni naxodyatsya blizko drug k drugu. kak na...
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