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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