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Genetics is a discipline of biology of which explores the hereditary of living organisms Hereditary is the process by which an offspring inherits certain traits of its parent cell Wikipedia 2011 Dominant Recessive inheritance describes the manner in which recessive alleles are masked by the expressed dominant alleles It will determine the cells physical characteristic whether the barley plant is albino or green this is also known as the phenotype of an organism An organisms genetic makeup is called its genotype Incomplete Dominance describes the possibility of a blending of traits that are predisposed from the parent cells In which case the phenotype of the heterozygous genotype of the barley plant will be a light green colour as the albino and green traits are blended together Photosynthesis is the process by which a plant synthesizes chemical compounds using light energy Blankenship R et al 2008 Green barley plants will thrive as they are able to photosynthesize through the use of chlorophyll and green plant pigmentation Chlorophyll is a photoreceptor involved in photosynthesis that converts light energy to chemical energy Govindjee R etal 2008 Chlorophylls ability to aid the process of photosynthesis is derived from its light harvesting photosynthetic pigments Plant pigments impart coloration most commonly in the form of green blue or purpleGovindjee R etal 2008Raps S Harborne J 2008 The white or albino barley plants contain no pigmentation as such lack chlorophyll which is detrimental in the process of photosynthesisAIM To determine the theoretical and practical genotypic and phenotypic ratios of the Barley Plants and so to explore the type of inheritance present in the P1 generation From this to discover the most likely genotype of the parent plants Furthermore to observe the fate of the albino white and green seedlings in both small and large populationsHypothesisShould the inheritance be Dominant Recessive it is expected that the phenotype of the plants will only be white and green
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