What is the cause of sickle cell anemia?

Question

a) errors in the translation of mRna

b) a base substitution mutation in DNA

c) a transcription error that places a with u

d) a mutation that leads to glumatic acid instead of values

Answer 1

well i have a cousin with this disease and its caused by their parents traits and stuff so its B

Answer 2

The correct answer is b.  The substitution is actually valine for glutamic acid, rather than glutamic acid for valine (so d is exactly the backwards answer).

Answer 3

i actually did a powerpoint on this last year but i think i don't remember. but i'll try anyway.

i'll say b

(it's a genetic disorder)