Review of Allele Frequencies & DNA profiling

Quiz
•
Science
•
9th - 12th Grade
•
Medium
+1
Standards-aligned
Teresa Guth
Used 3+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
If the frequency of recessive allele is 0.2, what is the frequency of the homozygous recessive individuals?
0.04
0.16
0.4
0.8
Answer explanation
The frequency of homozygous recessive individuals is 0.04, which is calculated by squaring the frequency of the recessive allele (0.2 x 0.2 = 0.04).
Tags
NGSS.HS-LS4-3
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
The allele frequency of p=.20 What is the frequency of the heterozygous genotype?
.80
.04
.32
.64
Answer explanation
This is a 2 step qestion.
1. Find q by plugging in p to the equation p + q = 1. You should get q = 0.8
2. Plug in p and q to 2pq to find the heterozygous frequency. 2(0.2)(0.8) = 0.32
Tags
NGSS.HS-LS3-3
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
0.09
0.42
0.49
0.21
Answer explanation
This question gives you p and q. It is asking you to find the recessive genotype, which is q2. Use q (0.7) and square it to find the correct answer.
(0.7)2 or 0.7 x 0.7 = 0.49
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Which Hardy-Weinberg factor represents the frequency of heterozygous individuals in a population?
p2
2pq
q2
p
q
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
(GAAT) (GAAT) (GAAT) (GAAT) is an example of:
restriction fragments.
DNA fingerprinting.
PCR.
STR.
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
The total amount of DNA in a cell, which is contained in the cell's nucleus (nuclear DNA) and mitochondria (mtDNA), is called the human:
genome.
gene.
allele.
RNA.
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
What material is used to isolate and cut DNA?
separating enzymes
restriction enzymes
PCR
base pairs
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