Quiz 2

Question 1

Duplication of the genetic material so each new cell has the same genetic information is called ____

Answer 1

Mitosis

Question 2

If a pair of alleles are homozygous for a given trait, then dominance and recessiveness will come into play. T/F

Answer 2

FALSE

Question 3

Down syndrome is caused by a non-dysjunction of the sex chromosomes. People with down syndrome have 46 chromosomes. T/F

Answer 3

Both are TRUE

Question 4

What is one dental/oral consideration when considering, someone with down syndrome

Answer 4

Enlarged tongue

Question 5

Someone with a genotype of XXY would have Klinefelter’s syndrome. That person would be a female. T/F

Answer 5

First is TRUE second is FALSE

Question 6

List one tissue that would be more susceptable to radiation damage.

Answer 6

Oral mucosa, epithelial tissue

Question 7

List one cause of mutation

Answer 7

Chemical

Question 8

When speaking of the immune system, a loss of self-tolerance leads to ______?

Answer 8

Autoimmune disorder

Question 9

Killer cells are part of the B cell system. T/F

Answer 9

FALSE

Question 10

The class of immunoglobulin that crosses the placenta to give newborns protection is

Answer 10

IgG