Other questions in this quiz

2. What is homozygous

  • Same gene but different version
  • Different gene and different version
  • Same gene and same version
  • Different gene but same version

3. What is a chromosome

  • The long DNA molecule when it is twisted up
  • DNA
  • A type of gene
  • A base

4. What is a dominant gene

  • Allele that only expressed if the recessive allele is absent
  • Allele that is usually expressed
  • Allele that is always expressed if it is present
  • Allele that is only expressed if there are two or more of them

5. What are the things that a DNA molecule contains four of

  • Bases
  • Alleles
  • Genes
  • Microbes

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