In strawberries, the presence of mustaches dominates over their absence. Determine the presence of whiskers in plants resulting

In strawberries, the presence of mustaches dominates over their absence. Determine the presence of whiskers in plants resulting from the following crosses:
1) Aa x Aa; 3) aa x AA;
2) AA x Aa; 4) aa x aa.

1) Mustache and mustache in a ratio of 3: 1;
2) all offspring with a mustache;
3) all offspring with a mustache;
4) all offspring are beardless.

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