From crossing resistant to root rot and susceptible to this disease tobacco plants obtained resistant offspring.

From crossing resistant to root rot and susceptible to this disease tobacco plants obtained resistant offspring. Determine: 1) which feature is dominant; 2) genotypes of parental individuals.

1) The dominant feature is resistance to root rot;
2) if the dominant trait is designated by the letter A, then the genotype of the crossed individuals is (wives) AA and (husband) aa.

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