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Cause and effect of mutation
Mutation <ul><li>Change in structure or amount of an organism’s genetic material </li></ul>
What causes of mutation <ul><li>UV light </li></ul><ul><li>X-rays </li></ul><ul><li>Benzene, formaldehyde, carbon tetrachl...
Mutagens and their effects <ul><li>Ionising radiation –xrays, gamma rays (e.g. medical treatment) associated with developm...
Mutagens and their effects <ul><li>Viruses and microorganisms – integrate into human chromosome, upset genes and can trigg...
Mutagens and their effects <ul><li>Environmental poisons – Organic solvents such as formaldehyde, tobacco, benzene,  some ...
Mutagens and their effects <ul><li>Alcohol and diet – High alcohol intake increase the risk of some cancers.  Diet high in...
The effect of mutations <ul><li>Not all are harmful </li></ul><ul><li>Most common among bacteria and viruses but also seen...
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Causeandeffectofmutation

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Causeandeffectofmutation

  1. 1. Cause and effect of mutation
  2. 2. Mutation <ul><li>Change in structure or amount of an organism’s genetic material </li></ul>
  3. 3. What causes of mutation <ul><li>UV light </li></ul><ul><li>X-rays </li></ul><ul><li>Benzene, formaldehyde, carbon tetrachloride </li></ul>
  4. 4. Mutagens and their effects <ul><li>Ionising radiation –xrays, gamma rays (e.g. medical treatment) associated with development of cancers (e.g. leukaemia, thyroid cancer and skin cancer </li></ul>
  5. 5. Mutagens and their effects <ul><li>Viruses and microorganisms – integrate into human chromosome, upset genes and can trigger cancer </li></ul>
  6. 6. Mutagens and their effects <ul><li>Environmental poisons – Organic solvents such as formaldehyde, tobacco, benzene, some dyes </li></ul>
  7. 7. Mutagens and their effects <ul><li>Alcohol and diet – High alcohol intake increase the risk of some cancers. Diet high in fat and those containing burned or highly preserved meat </li></ul>
  8. 8. The effect of mutations <ul><li>Not all are harmful </li></ul><ul><li>Most common among bacteria and viruses but also seen in insects </li></ul>

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