Biology 9700 · AS & A Level · Natural and artificial selection

Natural and artificial selection — practice question

Humans use selective breeding to improve the characteristics of crop plants and domesticated animals.

(a(i))[1]

Give another name for selective breeding.

(a(ii))[5]

Describe how selective breeding may be used to raise the milk yield of dairy cattle.

(b)[3]

Explain what disruptive selection means.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “the alternative term is artificial selection” …