Genetic tests – level 2

06-01-2023 07:00

Three billion letters are in our genetic code. Changes in the code make the order of some letters a little different than usual. These changes make us unique.

People in one family or their distant relatives share some of the changes, and so scientists can tell if some people are related. Genetic test companies read the genetic code, and they can learn surprising information which can change a person’s life.

Some people get genetic tests to find if a disease runs in the family or to learn if they are safe to have a baby. In many cases, adopted children want to find their biological parents, or a parent wants to prove if a child is his or her own.

Difficult words: unique (different from the others), distant relative (a person who belongs to someone’s family but not the close family), adopted (when someone legally takes someone’s child to care as their own child).

You can watch the original video in the Level 3 section.

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