(a)[2]
Define homozygous.
(b(i))[1]
Define allele.
(b(ii))[2]
Suggest why the farmer concluded that the allele for green-coloured beans is recessive.
(c)[2]
Describe how the genotype and phenotype of an organism differ.
(d)[1]
What is this process known as?
(e)[2]
Genetic engineering has been used to provide more food for the increasing human population. Give an example of genetic engineering in a crop plant and state how this will produce more food.