Biology-B6-Selective Breeding 0.0 / 5 ? BiologyVariation and reproductionGCSEAQA Created by: tonisha_Created on: 25-02-23 17:51 Selective breeding is also known as? artificial selection 1 of 23 This is a process by which humans breed plants or animals in order? for a particular genetic characteristic 2 of 23 For example Animals that? produce more meat or milk 3 of 23 Plants with? large or unusual flowers 4 of 23 Dogs that have? a gentle nature 5 of 23 Crops that are? disease resistant 6 of 23 STAGES ------------- From your _____ stock? existing 7 of 23 Select the animals with? the desired characteristic 8 of 23 Then ______ them together? breed 9 of 23 Since they are sexually reproducing, what will there be in the offspring? variation 10 of 23 This means that some? will have the desired characteristic and some will not 11 of 23 Therefore you will select? the best of the offspring and breed them 12 of 23 Continue this over? several generations 13 of 23 Until? all offspring have desired characteristic 14 of 23 ADVANTAGES ------------- How would this help farmers? increase their profit 15 of 23 Plants will be? resistant to disease 16 of 23 There will also be a high? yield 17 of 23 DISADVANTAGES ----------------------- Selective breeding could reduce? the gene pool 18 of 23 It could cause? inbreeding 19 of 23 How does inbreeding occur? when closely related animals or plants are bred together 20 of 23 This could cause inherited _______ or be more _____ to ______? inherited defects more prone to disease 21 of 23 A pathogen? could wipe them all out 22 of 23 Since there is less? variation 23 of 23
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