WorksheetsDNA
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
a change in the nucelotide-base sequence of a gene or DNA molecule
a)
nucleotide
b)
DNA
c)
RNA
d)
mutation
2.
Pairs with adenine
a)
thymine
b)
guanine
c)
cytosine
3.
Pairs with cytosine
a)
adenine
b)
thymine
c)
uracil
d)
guanine
4.
Pairs with guanine
a)
uracil
b)
cytosine
c)
adenine
d)
thymine
5.
Are all mutations bad?
a)
Yes
b)
No
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.
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
8.
What are the 4 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
9.
DNA is a large molecule composed of smaller pieces called _______ put together.
a)
bases
b)
RNA
c)
amino acids
d)
nucleotides
10.
What makes up a nucleotide?
a)
a phosphate, a sugar and a base
b)
adenine, guanine, cytosine and thymine
c)
a phosphate and a base
d)
a base and a sugar
11.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
12.
Segements of DNA are called _______________________
a)
Genes
b)
Nuclei
c)
genotypes
d)
Chromosomes
13.
What is Bb
a)
Homozygous
b)
Heterozygous
c)
Recessive
d)
Dominant
14.
What is bb
a)
Homozygous Dominant
b)
Heterozygous
c)
Homozygous Recessive
d)
Genes
15.
the genes of an organism
a)
Mesotype
b)
Phenotype
c)
Teletype
d)
Genotype
100 %
