Biology Revision Crossword 5.0 / 5 based on 1 rating ? BiologyB1 RevisionGCSEAll boards Created by: k1eran.j4ckCreated on: 12-05-16 10:17 83106271549 Across 1. Specialised cell in Males (involved in sexual reproduction) (5) 4. The reason for the extinction of animals such as the mammoth (8) 5. The process of how plants produce glucose (14) 6. a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell (7) 9. Chemical messangers that are produced at the end of a neuron at a synapse (17) Down 2. when some carries two different alleles they are... (12) 3. when some carries two copies of the same allele they are... (10) 7. type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus (7) 8. A recessive genetic disorder (6, 8) 10. the process whereby organisms better adapted to their environment tend to survive (7, 9)
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