mutation

Question 1

gene mutation

Answer 1

change of sequence of nucleotides in our dna

Question 2

chromosome mutation

Answer 2

sections of chromosomes may be rearranged or lost, one may be swapped or deleted.

Question 3

causes of mutation

Answer 3

• exposure to mutagens
• errors in replication of dna
• viral infections

Question 4

point mutation

Answer 4

• base is incorrectly added
• small spelling mistakes
• change in tyr
• sickle cell anemia, albinism

Question 5

frameshift mutation

Answer 5

• extra nucleotides are added or selected
• shift in reading frame
• beta thalassemia

Question 6

albinism

Answer 6

• lack of pigment in the skin
• mutations in genes involved in the production of melanin

Question 7

sickle cell anemia

Answer 7

• mutation in genes that produce hemoglobin
• adenine is replaced by thymine