Key words B1 0.0 / 5 ? BiologyGCSEEdexcel Created by: Katie PitcherCreated on: 15-04-13 11:58 Charecteristics Features of an organism that are useful 1 of 11 Variation A slight change in species that are useful 2 of 11 Evolution the development of new species over time through a process of natural selection 3 of 11 speciation formation of new species from when populations of a species are separated geographically and evolve untill they are no longer capable of interbreeding 4 of 11 Validate to confirm that a scientific theory is true 5 of 11 recessive allele version of a gene that will only have an effect if the other allele is also recessive 6 of 11 Dominant allele version of a gene that will always have an effect (as apposed to a recessive allele whos effect will not be seen if a dominant allele is present) 7 of 11 hetrozygous if both alleles for a checteristic are different, the organism is hetrozygous for that charecteristic 8 of 11 genotype the alleles of a particular gene (or genes) possessed by an organism 9 of 11 phenotype physical result of the genotype 10 of 11 homozygous if both alleles for a charecteristic are the same the organism is homozygous for that charecteristic 11 of 11
Comments
No comments have yet been made