1 markBiological Evolution
CSEC Biology · January 2005 · Paper 2 · Question 5(a)(iii)
Figure 5 shows in outline how a plant breeder developed a variety of a particular plant which had large leaves and large flowers. Both of the parent varieties (1 and 2) were true breeding (homozygous) for flower size.
Why would the breeding programme have to continue for many generations?
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