flashcard notes based on the WJEC GCSE Biology unit 2 topic of DNA and Inheritance --based on the 2025/26 spec --made for StMikes
| Front | what are the 2 chains of DNA made up of? |
| Back | (alternating) sugar and phosphate |
| Front | give 3 disadvantages of genetically modifying crops |
| Back | -people are worried about their health if they eat GM crops; they don't know the long term effects-could harm wildlife, reducing biodiversity-herbicide resistant genes can pass to weeds, creating 'super' weeds that can no longer be killed by herbicides |
| Front | what is meant by 'F1'? |
| Back | the first generation following the breeding of two pure organisms |