Chromosomal Changes Answers

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

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

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?

Which change to the chromosome causes Robertsonian translocation?

Which best describes chromosomal deletion?

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

Which would least likely result from a chromosomal change?

Chromosomal mutations can have a variety of effects on individuals. Klinefelter syndrome is a genetic disorder that occurs when a male has an extra copy of the X chromosome. Males who have this disorder exhibit characteristics such as producing little or no facial hair, having a less muscular body than other males, and sterility.Karyotype of Klinefelter syndromeWhich type of chromosomal mutation causes Klinefelter syndrome?

Which term describes a permanent change to a genetic sequence?

On which feature is pseudoscience based?