1. How does a mutation in the DNA affect the way proteins are made?

A) a mutation in the DNA results in miss happen tRNA molecules **
B) a mutation in the DNA results in a chance in the mRNA, but it does affect the protein
C) a mutation in the DNA affects the structure of mRNA, but it does affect the protein
D) a mutation in the DNA changes how the proteins that are made are passed down from parent to child
2. A person who has cystic fibrosis
A) inherited two normal alleles from a parent
B) inherited one mutated allele and one normal allele from each parent
C) inherited two mutated alleles, one from each parent **
D) inherited two mutated alleles from a parent

1. C

2. B
3. A
4. C

100% 4/4. Ark is correct but 4 is C not D.

C

B
A
C

This post is chaotic but yeah Markus is correct for connexus

1. C

2. B
3. A
4. C
Connexus users

Markus is correct

Thanks mark

marks right

I need help on this

Marcus is right 100% thanks

4 is actually C, all the other ones are correct for ark