1) Term used to describe differences a) Homozygous b) Variation c) Dominant d) Recessive e) Allele f) Phenotype 2) Where is DNA found in a cell? a) Homozygous b) Heterozygous c) Dominant d) Recessive e) Nucleus f) Phenotype 3) Where do chemical reactions happen inside cells? a) Homozygous b) Heterozygous c) Environment d) Cytoplasm e) Gene f) Phenotype 4) This is a cause of variation a) Homozygous b) Heterozygous c) Environment d) Recessive e) Gene f) Phenotype

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