B1 key words 0.0 / 5 ? BiologyVariation and reproductionVariety of life and classificationGenesGCSEOCR Created by: Grace023Created on: 16-10-16 12:59 Homozygous Two alleles that are the same 1 of 14 Hetrozygous Two alleles that are different 2 of 14 Genotype Whats alleles a perosn has 3 of 14 Phenotype What features are expressed 4 of 14 Dominant A gene that needs only one dominant allele for it to have an effect 5 of 14 Recesssive A gene that needs two recessive alleles for it to have an effect 6 of 14 Chromosomes Carries genetic information (made up of many different genes) 7 of 14 Allele An alturnative form of a gene 8 of 14 Clone Something genetically identical to another 9 of 14 DNA Makes the characterisitics of a living thing 10 of 14 Enzymes Speed up a chemical reaction 11 of 14 Embryo A group of cells delevloping into a baby 12 of 14 Asexual reproduction When a unicellular splits itself over and over again (i.e. batceria) 13 of 14 Variation The name given to describe the difrences of individuals of the same species 14 of 14
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