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WorksheetsGenetics & My DNA
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Approximately how many genes does the average human have?
a)
20-200
b)
20,000-25,000
c)
200,000-220-000
d)
30,000-40,000
2.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
3.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
4.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
5.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
6.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
7.
What has DNA?
a)
animals
b)
plants
c)
bacteria
d)
all of the above
8.
What part of our cells holds our DNA?
a)
cytoplasm
b)
cell membrane
c)
nucleus
d)
ribosomes
9.
A segment of DNA that codes for a protein is called a...
a)
Enzyme
b)
Mutation
c)
Gene
d)
Complimentary
10.
DNA is a double helix molecule made of....
a)
Carbon, Water, & 4 Bases
b)
Phosphate, Aspiration, & Hydrogen
c)
Genes, Hydrogen, & Water
d)
Sugar, Phosphate, & 4 Bases
11.
Strands of DNA that is encoded with genes are called....
a)
Alleles
b)
Adenine
c)
Bases
d)
Chromosomes
12.
Humans have approximately how many chromosomes?
a)
36
b)
46
c)
23
d)
12
13.
What does DNA stand for?
a)
Doublenurish Allele
b)
Distained Nuclear Annotation
c)
Deoxyribonucleic Acid
14.
What is a type of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only?
a)
Sexual Reproduction
b)
Asexual Reproduction
c)
Identical Redistribution
d)
Genetic Alteration
15.
What is the passing of physical characteristics from parents to offspring called?
a)
DNA
b)
Genotype
c)
Heredity
d)
Traits
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