(a)[6]
Complete the genetic diagram for this cross. Choose a suitable letter for the alleles and decide which allele should be written as a capital letter and which as a lower-case letter.
(b)[1]
State how the researchers could have been certain that the fruit came from homozygous plants.
(c(i))[2]
Describe the role played by chlorophyll.
(c(ii))[1]
State the name of one mineral needed for chlorophyll synthesis.
(c(iii))[3]
Use the information in Table 2.1 to compare how the pigments change in red fruit and yellow fruit as they ripen.
(d(i))[1]
Genes are located at specific points on an important biological molecule. State the name of this biological molecule.
(d(ii))[2]
Describe the disadvantages of genetically modifying crops.