GCSE Combined Science (AQA)

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Phenotype

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Inheritance, Variation and Evolution Reproduction

Phenotype

1:13 Genetic Inheritance Terms
Spec 4.6.1.6
Previous Family Trees Next Homozygous & Heterozygous
  • Phenotype refers to the physical characteristics of an organism.
  • Examples of phenotypes include brown eyes, hair color, skin color, blood type, and hormone levels.
  • Phenotype starts with "ph" which can help remember it relates to physical characteristics.
  • Phenotype is determined by the genotype, which consists of alleles.
  • Environmental factors can also influence phenotype.
  • Example: A person's height is influenced by their genetic makeup (genotype) and can be affected by environmental conditions like nutrition.
  • Understanding the difference between genotype and phenotype is crucial for exams.

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