Il

Fertilization

Fj generation

1/2 Restricted

Mallard

Dusky

1/2 Restricted

Mallard

Dusky

1/4 Mmd

Conclusion: Progeny are /2 restricted, /4 mallard, and / dusky

1/4 Mmd

Conclusion: Progeny are /2 restricted, /4 mallard, and / dusky

I 5.4 Mendel's principle of segregation applies to crosses with multiple alleles. In this example, three alleles determine the type of plumage in mallard ducks: MR (Restricted) > M (Mallard) > md (Dusky).

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