Genetic mutation quiz – 14 Questions and Answers

Genetic mutation quiz – 14 Questions
and Answers
What causes genetic diseases - --The genes are not the same size
-something wrong in genetic code

- Name of test used for genetic testing - -Gel electrophoresis

- Difference between a point mutation and frameshift mutation - -Point-base
is substituted
Frameshift-bases are added or deleted

- True or false: a mutation always causes a mutated phenotype - -False

- mutation that can affect the offspring is in what cell type - -Germ cell (egg
and sperm)

- Which type of mutation is likely to have the greatest effect on the resulting
polypeptide - -Frameshift mutation

- 2 main types of mutations - -Chromosomal mutation
Gene mutation

- 5 types of chromosomal mutations - -Deletion
Duplication
Inversion
translocation
Nondisjunction

- 2 types of gene mutation - -Point mutation
Frameshift mutation

- What is point mutation - --base (a,t,c,g) is substituted for an other
-3 possible consequences:
Nonsense
Silent
Missense

- Nonsense mutation - -Code for stop, stops translation of protein

- Missense mutation - -Codes for different amino acid

- Silent mutation - -Codes for same amino acid (doesn't change)