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OCR A Biology

Alleles Inherited Passed Dominant Expressed Present Homo Genotype/Phenotype

Front genotype/phenotype, modifications/mutations, types of alleles (D/R and homo/hetero)
Back
  • 2 alleles inherited for most genes (one from each parent), geneotype is combination of alleles inherited for a characteristic (genetic makup of that gene), phenotype is observable characteristics
  • modifications (changes influenced by enviro) not passed onto offspring, only changes in DNA (mutations) passed on
  • dominant allele (version of gene always expressed if present), recessive allele (only expressed if 2 copies present), homozygous (2 identical alleles, either homo domiant or homo recessive), heterozygous (2 diff alleles, dominant allele always expressed)

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