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xxMikexx [17]
3 years ago
15

All the following have only one opening into their digestive system except:

Biology
1 answer:
sesenic [268]3 years ago
4 0
The answer is jellyfish B
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<u>Cruza</u>: persona sana sin mutaciones con persona portadora

El parental sano aporta alelos normales del gen a la descendencia

El parental portador aporta un alelo normal y un alelo alterado. Tiene el 50% de probabilidad de transmitir la enfermedad a la progenie.

Parental)    AA   x   Aa

Gametas) A    A    A   a

Cuadro de Punnet)   A       A

                           A   AA    AA

                           a    Aa    Aa

F1) 2/4 = 1/2 = 50% de la progenie seran individuos sanos AA

    2/4 = 1/2 = 50% de la progenie seran individuos portadores Aa

Como uno de los progenitores es portador, cada individuo tiene un 50% de posibilidades heredar el gen alterado.

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