Chromosomal Changes Answers

A chromosome has an inversion. Which describes a pericentric inversion?

Why does prolonged exposure to UV light from the Sun or tanning beds increase the risk for getting skin cancer?

On which feature is pseudoscience based?

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

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

Which term describes a permanent change to a genetic sequence?

Consider the diagram.Which chromosomal change is represented?

Which change to the chromosome causes Robertsonian translocation?

Chromosomal mutations can have a variety of effects on individuals. Down syndrome is a disorder that causes problems such as mild to moderate mental retardation and slow or stunted development. A common form of this disorder is the result of a genetic mutation that occurs when there is an extra chromosome 21. Which type of chromosomal mutation causes this form of Down syndrome?

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