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Oocyte Sperm cell | Allele Z | Frequency p | Allele z | Frequency q |
|---|---|---|---|---|
Allele Z | ZZ |
| Zz | |
Frequency P | P2 | pq | ||
Allele z | Zz | zz | ||
Frequency p | pq | q2 |
AAllele and genotype frequencies in a population determine the proportion of animals with different phenotypes for monogenic traits. The effect of selection for desired monogenic traits or against undesired monogenic traits depends partly of the underlying allele frequencies. That is the reason to pay attention to allele and genotype frequencies here.
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