Chromosomal Changes

Question 1

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

Revolt · Accepted Answer

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

Question 2

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

Revolt · Accepted Answer

Klinefelter syndrome

Question 3

Which best describes the process of insertion?

Revolt · Accepted Answer

occurs when part of a chromosome breaks off and is placed into the middle of another chromosome

Question 4

Which best describes chromosomal deletion?

Revolt · Accepted Answer

occurs when part of a chromosome breaks off and does not reattach

Question 5

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

Question 6

Consider the diagram.Which chromosomal change is represented?

Revolt · Accepted Answer

insertion

Question 7

Which term describes a permanent change to a genetic sequence?

Revolt · Accepted Answer

mutation

Question 8

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

Revolt · Accepted Answer

positive, negative, or no effect

Question 9

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

Revolt · Accepted Answer

to make informed decisions

Question 10

On which feature is pseudoscience based?

Revolt · Accepted Answer

static information that does not change

Chromosomal Changes Answers