4x Aresearch program is launched to produce genetically modified varieties of a food crop. The aim of the program is to create varieties with fruit that ripen quicker. Which idea can be used BEST in an argument against such research? A New unknown proteins may be produced by the modified plants. B The fruit from the modified crop might have a different taste. C The modified crop will reduce the sales of chemical fertilizers. D Smilar research programs in the past have led to harmful effects.

## Step 1<br />The problem presents a scenario where a research program is being launched to produce genetically modified varieties of a food crop. The aim of this program is to create varieties with fruit that ripen quicker. The question asks us to identify the best argument against such research.<br /><br />## Step 2<br />We need to evaluate each option based on its potential negative impact on human health or the environment. <br /><br />## Step 3<br />Option A suggests that new unknown proteins may be produced by the modified plants. This could potentially lead to unforeseen health issues, making it a strong argument against the research.<br /><br />## Step 4<br />Option B suggests that the fruit from the modified crop might have a different taste. This is not a strong argument against the research as it does not directly impact human health or the environment.<br /><br />## Step 5<br />Option C suggests that the modified crop will reduce the sales of chemical fertilizers. This is not a strong argument against the research as it does not directly impact human health or the environment.<br /><br />## Step 6<br />Option D suggests that similar research programs in the past have led to harmful effects. This is a strong argument against the research as it implies that the research could lead to harmful effects.