Question

PLEASE HELP ITS TIMED!!

1. Which of the following is one way that a mutagen can cause mutations?

A. It causes the DNA strand to weaken because mutagens stop the cell cycle
B. It causes base pairing to happen faster
C. It causes the sugar-phosphate backbone of the DNA to weaken which can lead to inversions and translocation
D. It interferes with base pairing which decreases the error rate during DNA replication

2. In a mutation, which of the following statements is false?

A. Errors on a gene will be copied onto the mRNA
B. Codons never change
C. New codons sometimes code for the same amino acid
D. A new phenotype (trait) may appear

Answer 1

D. It interferes with base pairing which decreases the error rate during DNA replication

B. Codons never change

Step-by-step explanation: