Research using twins

Questions 1-4

Choose TRUE if the statement agrees with the information given in the text, choose FALSE if the statement contradicts the information, or choose NOT GIVEN if there is no information on this.

1. There may be genetic causes for the differences in how young the skin of identical twins looks.

TRUE

FALSE

NOT GIVEN

2. Twins are at greater risk of developing certain illnesses than non-twins.

TRUE

FALSE

NOT GIVEN

3. Bouchard advertised in newspapers for twins who had been separated at birth.

TRUE

FALSE

NOT GIVEN

4. Epigenetic processes are different from both genetic and environmental processes.

TRUE

FALSE

NOT GIVEN

Questions 5-9

Match each statement with the correct researcher (A-C)
NB You may use any letter more than once.
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List of Researchers

A Francis Galton

B Thomas Bouchard

C Danielie Reed
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5. Invented a term used to distinguish two factors affecting human characteristics

6. Expressed the view that the study of epigenetics will increase our knowledge

7. Developed a mathematical method of measuring genetic influences

8. Pioneered research into genetics using twins

9. Carried out research into twins who had lived apart

Questions 10-13

Complete the summary using the list of words, A-F.

A nurture B organs C code

D chemicals E environment F behaviour

Epigenetic processes

In epigenetic processes, 10. influence the activity of our genes, for example in creating our internal 11. . The study of epigenetic processes is uncovering a way in which our genes can be affected by our 12. . One example is that if a pregnant rat suffers stress, the new-born rat may later show problems in its 13. .

Epigenetic processes

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