What’s the difference between Homozygous and Heterozygous? – Secondary 11

Question: What's the difference between Homozygous and Heterozygous?
- Keywords:
  genetics,
  heterozygous,
  homozygous
Asked by austintheor1ginalstar to Jemma on 28 May 2012.
- Jemma Ransom answered on 28 May 2012:
  
  Hi @austintheor1ginalstar
  
  Humans have two copies of each gene, one from the father and one from the mother, which are referred to as the alleles of a gene. If a mutation occurs in just one copy of the gene then that individual is considered heterozygous. On the other hand if both copies of a gene are mutated then that individual is homozygous genotype.
  
  Hope this answers your question
  
  Jemma

Question: What's the difference between Homozygous and Heterozygous?