Biology Revision Crossword 5.0 / 5 based on 1 rating ? BiologyB1 RevisionGCSEAll boards Created by: k1eran.j4ckCreated on: 12-05-16 10:17 72453161089 Across 1. Chemical messangers that are produced at the end of a neuron at a synapse (17) 4. when some carries two different alleles they are... (12) 6. The process of how plants produce glucose (14) 8. A recessive genetic disorder (6, 8) 9. when some carries two copies of the same allele they are... (10) Down 2. The reason for the extinction of animals such as the mammoth (8) 3. type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus (7) 5. Specialised cell in Males (involved in sexual reproduction) (5) 7. the process whereby organisms better adapted to their environment tend to survive (7, 9) 10. a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell (7)
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