B1 - You and your genes 0.0 / 5HideShow resource informationBiologyCells, tissues and organsGCSEAll boardsCreated by: psychology1299Created on: 23-04-15 20:28 92846531107 Across 1. Formed when a single egg is fertalised by sperm and the embryo splits into two. Two separate embryos develop. (9, 5) 6. Characteristics an organism displays (9) 7. Carries a gene which makes an embro develop into a male as it grows. This gene causes a specific protein to be produced which causes development of testes. (1, 10) 8. Grow to form a new identical plant. (5) 9. Controlled either by genes, environmental factors or a combination of both (15) 10. Contains genetic material arranged into chromosomes. (7) Down 2. Unspecialised cells found in adult animals. Can specialise into many cells. Involved in maintaining and repairing old and damaged tissues. (5, 4, 5) 3. Different forms of the same gene (7) 4. Move out from base of plant and form new plants at their tips. (10, 5) 5. Genetically identical organisms with the same genes and alleles. (6)
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