genetic variation

• what is meant by continuous variation


  this variation is caused by more the n one gene and can be affected by the environment
• give examples of continuous variation


  height or shape
• does the environment have an effect on continuous variation


  yes
• what is meant by discontinuous variation


  this is variation that is controlled by one gene
• does the environment affect discontinuous variation


  no
• give examples of discontinuous variation


  attached ear lobes and eye colour
• what is discontinuous variation being caused by one gene mean


  that if the person has the gene they have the condition
• what does continuous variation being caused by more then one gene mean


  that a person ca have the gene for it but not have teh trait