Fred and Rita are in the college library. Rita is revising for their Maths exam the following day. Fred is looking at a webpage called SCARIEST SPIDERS on his phone.
Rita: You wanted me to help you with that Probability question?
Fred: Not looking up from his phone Yeah, in a minute. Hey, check out these tarantulas!
Rita: Turning away No way! You know I hate spiders.
The pattern of our fingerprints is set up by our genes. Just like with other genes, though, the environment can change how we turn out.
While you were growing inside of your mother, you touched the amniotic sac. When you touched it during weeks 6-13, the patterns of your fingerprints were changed. This is why identical twins have different fingerprints.
Quick Check: True or False
1. Fraternal twins are not identical.
2. Gene mutations create identical twins.
3. Every individual is different.
4. Fingerprints are affected by the environment
5. Your fingerprint changes before you are born.
Read about a recent 'wrong twin' murder case.
Why 'identical twins genes are not identical'?
How police might approach identical twin DNA problem
Quick Check: Answers 1.T 2. F 3.T 4. T 5. T
Read about a very strange wedding. Then listen to Fred and Rita talking about it:
Now listen to Fred's opinion about this story - Rita, of course, does not agree. What do you think? Was the bride 'lucky'?