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WorksheetsGenetics Introduction
Total questions: 16
Worksheet time: 13mins
Name
Class
Date
1.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
2.
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
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.
A specific sequence of DNA nucleotides that codes for a specific protein is known as..
a)
A gene
b)
A nucleotide
c)
A polypeptide
d)
An allele
5.
Any change in the sequence of nucleotides in DNA or RNA is known as...
a)
A mutation
b)
A transition
c)
An antinucleotide
d)
A transfer
6.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
7.
Which series is arranged in order from largest to smallest in size?
a)
chromosome, nucleus, cell, DNA, nucleotide
b)
cell, nucleus, chromosome, DNA, nucleotide
c)
nucleotide, chromosome, cell, DNA, nucleus
d)
cell, nucleotide, nucleus, DNA, chromosome
8.
traits that show up more often
a)
dominant
b)
recessive
9.
The process in which a cell splits in two...
a)
cell nucleus
b)
cell division
c)
replication
d)
inherit
10.
True or False? A tightly wound bundle of DNA is a chromosome.
a)
False
b)
True
11.
True or False? The passing of traits from one parent to offspring is heredity.
a)
False
b)
True
12.
The yellow part of this picture is DNA. What do you think the turquoise part around it is?
a)
chromosome
b)
gene
c)
DNA
d)
ACTG
13.
Which is the best definition of DNA?
a)
a spiral ladder
b)
something in your cells
c)
the recipe for making an organism
14.
What is a gene?
a)
A bundle (like a hot dog bun) that the DNA is packed into
b)
something inside the nucleus
c)
a piece of DNA
d)
all of your DNA
15.
This is a part of the chromosome that carries information and controls a trait
a)
trait
b)
gene
c)
chromosome
d)
offspring
16.
4. Humans have about....
a)
10 genes
b)
800 genes
c)
80,000 genes
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