Lucrare practică nr.1
Analiza legilor lui Mendel
Etapele lucrării:
I.Înscrie, în spațiul rezervat mai jos, legitățile lui Mendel.
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II.a)Alcătuește idividual o problemă referitor legilor lui Mende – încrucișarea dihibridă.
b)Scrie conținutul problemei.
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c)Rezolvă problema
d)Analizează și descrie rezultatele obținute.
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III. Întrebări de control:
1.În ce constă metoda hibridologică de cercetare ?
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2.Ce schimbări se vor produce în F2, dacă la încrucișarea dihibridă a formelor parentale AaBb x aabb gameții AB sânt neviabili ?
Determinați raportul după fenotip și după genotip.
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3.Ce segregare, după fenotip și genotip, va apărea în descendență, dacă fiecare din cele 9 genotipuri
( generația F2 a încrucișării dihibride), vor fi încrucișate cu un individ homozigot recesiv, după două caractere aabb.
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4.Utilizând cuvintele proprii, formulează concluzii (cel puțin 5) despre imortanța legilor lui Mendel.
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