End of Topic Test - Variation

Biology: Edexcel IGCSE, topic 4.3.14

Test yourself on End of Topic Test - Variation

  • What does variation describe?

  • "Within a population, all individuals have the same genetics."

    Is this statement true or false?

  • In which of the following genotypes would a recessive allele be seen in the phenotype?

  • "The phenotype of an organism is entirely dictated by the genotype."

    Is this statement true or false?

  • The gene for spots is DOMINANT. A spotty cow (Tt) is crossed with an all black cow (tt).

    What will the ratio of spotty offspring : black offspring be?

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