BY5 5.0 / 5 based on 1 rating ? BiologyDNA, genetics and evolutionA2/A-levelWJEC Created by: jawjeenerCreated on: 22-03-16 10:43 748952361 Across 1. What is the term used to describe the mother that receives a transplanted embryo? (9) 5. What type of bond is broken when DNA strands are separated in the PCR? (8) 7. What term is applied to a mutagen that causes cancer? (10) 8. Which chemical in tobacco smoke contains carcinogens? (3) Down 2. Why would it be undesirable to produce all farm animals by cloning? (2, 9) 3. How might genetic variation be increased in asexually reproducing organisms? (8) 4. What are the two forms of mutation? (4, 3, 10) 5. What is one antigen? (3) 6. What is the plant type found in a climax community? (4, 2, 3) 9. Which country is the world leader in the use of biofuels? (6)
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