MGG EXAM 4 | QUESTIONS AND ANSWERS | 2025/2026 UPDATE | WITH COMPLETE SOLUTION!!

MGG EXAM 4 | QUESTIONS AND ANSWERS |
2025/2026 UPDATE | WITH COMPLETE SOLUTION!!




A FASTA file always begins with a:
a. <
b. @
c. /
d. > Answer - D


Besides the > sign, the first line of a FASTA file includes:
a. the read quality data
b. the sequence
c. the accession number for the sequence
d. the type of sequencing equipment used in obtaining the sequence Answer -
C


The second line of a FASTA file comprises:
a. the sequence
b. the read quality data
c. the accession number for the sequence
d. the type of sequencing equipment used in obtaining the sequence Answer -
A


A FASTQ file always begins with a:

, a. <
b. >
c. @
d. / Answer - C


The second line of a FASTQ file comprises:
a.the read quality data
b. the accession number for the sequence
c. the sequence
d. the type of sequencing equipment used in obtaining the sequence Answer -
C


The fourth line of FASTQ line comprises:
a. the accession number for the sequence
b. the type of sequencing equipment used in obtaining the sequence
c. the read quality data
d. the sequence Answer - C


A PHRED score of 40 for a particular base call corresponds to the probability of
1 base call error in how many base calls? [Note: this is a Review Quiz question;
you won't be asked to memorize the formula for the exam]
a. 40
b. 4,000
c. 10,000
d. 40,000 Answer - C


What does a PHRED score of 30 or above indicate?