本题目来源于试卷: SL/HL Topic D4.1 Natural selection，类别为 IB生物学
[问答题]
8. Explain how artificial selection causes c rqy.q1evjgk gv-1 4;nhanges in allele frequency within s.o,udv8k-nu a population over several genenuuos8 vd,-k .rations
参考答案: Any four of these points for 4 marks:
Offspring with the favourable characteristic will be selected for breeding.
These individuals will pass the gene for this characteristic to some of their offspring.
Only the offspring that inherited the favourable characteristic will be used for breeding.
The number of individuals with the favourable allele will increase in the population.
The frequency of the allele will increase, and the frequency of the original allele will decrease.
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