Chromosomal Changes

Consider the diagram. Which chromosomal change is represented?

insertion

Which chromosomal defect is caused when part of a chromosome breaks off and reattaches backward on the same chromosome?

inversion

On which feature is pseudoscience based?

static information that does not change

Which term describes a permanent change to a genetic sequence?

mutation

Gary has a chromosomal deletion and Heather has a chromosomal insertion. Which best describes which disease each may have?.

Gary might have DiGeorge syndrome and Heather might have Fragile X syndrome

If nondisjunction occurs and an individual survives, which disorder can occur?

Klinefelter syndrome

On which feature is science based?

detailed research with reliable sources

What kind of effect can a chromosomal change can have on an organism?

positive, negative, or no effect

Why is it important to know the difference between science and pseudoscience?

to make informed decisions

Which of the following precautions should be taken to reduce the risk of chromosome mutations?

wear a lead protective shield when having teeth X-rays