Question

When two mutants having the same phenotype were crossed, the progeny obtained showed a wild-type phenotype. Thus the mutations are

Answer 1

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✔✔ If two mutants when crossed give a wildtype phenotype in the progeny, it implies that the two mutations are non allelic i.e they lie on two different genes.

✔✔ That is why in the progeny where one wildtype copy of the gene is given by each parent, complementation occurs and a wildtype phenotype is seen.

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