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WorksheetsGenetics/Heredity Practice Test
Total questions: 54
Worksheet time: 48mins
Name
Class
Date
1.
A genetically determined characteristic
a)
Trait
b)
Allele
c)
Homozygous
d)
Phenotype
2.
Passing of traits from one generation to the next (kids inherit traits from their parents)
a)
Heredity
b)
Homologous pair
c)
Heterozygous
d)
Genotype
3.
A stretch of DNA that codes for a trait
a)
Gene
b)
Allele
c)
Trait
d)
Crossing over
4.
Any change to DNA - due to either mistakes when DNA is copied OR as a result of environmental factors (for example UV light or cigarette smoke)
a)
Gene
b)
Mutation
c)
Crossing over
d)
Homologous pair
5.
Long strand of DNA that contains hundreds or even thousands of genes
a)
Chromosome
b)
Gene
c)
Allele
d)
Trait
6.
Same size chromosomes that have the same types of genes in the same places
a)
Heterozygous
b)
Homozogyous
c)
Homologous pair
d)
Allele
7.
Homologous chromosomes ‘trade’ genetic info with each other
a)
Crossing over
b)
Allele
c)
Heterozygous
d)
Phenotype
8.
Version/variant of a gene
a)
Allele
b)
Trait
c)
Genotype
d)
Phenotype
9.
Traits you can see (brown hair,freckles, etc.)
a)
Genotype
b)
Phenotype
c)
Allele
d)
Trait
10.
Combination of alleles that an individual has for a certain gene (BB, Bb, bb)
a)
Genotype
b)
Phenotype
c)
Chromosome
d)
Trait
11.
Two of the same alleles for a specific gene (BB, bb)
a)
Homozygous
b)
Heterozygous
c)
Allele
d)
Genotype
12.
Two different alleles for a specific gene (Bb)
a)
Homozygous
b)
Heterozygous
c)
Allele
d)
Trait
13.
In humans, wet earwax (E) is dominant to dry earwax (e)
Dad: Homozygous recessive
Mom: Heterozygous
How many potential offspring have wet earwax ? ___/4
Dad: Homozygous recessive
Mom: Heterozygous
How many potential offspring have wet earwax ? ___/4
a)
1/4
b)
2/4
c)
3/4
d)
4/4
14.
In humans, wet earwax (E) is dominant to dry earwax (e)
Dad: Homozygous recessive
Mom: Heterozygous
How many potential offspring have dry earwax ? ___/4
Dad: Homozygous recessive
Mom: Heterozygous
How many potential offspring have dry earwax ? ___/4
a)
1/4
b)
2/4
c)
3/4
d)
4/4
15.
In humans, wet earwax (E) is dominant to dry earwax (e)
Dad: Heterozygous
Mom: Heterozygous
In Punnett Square 2, how many potential offspring show the DOMINANT trait? ___/4
Dad: Heterozygous
Mom: Heterozygous
In Punnett Square 2, how many potential offspring show the DOMINANT trait? ___/4
a)
1/4
b)
2/4
c)
3/4
d)
4/4
16.
In humans, wet earwax (E) is dominant to dry earwax (e)
Dad: Heterozygous
Mom: Heterozygous
In Punnett Square 2, how many potential offspring show the RECESSIVE trait? ___/4
Dad: Heterozygous
Mom: Heterozygous
In Punnett Square 2, how many potential offspring show the RECESSIVE trait? ___/4
a)
1/4
b)
2/4
c)
3/4
d)
4/4
17.
What is the only way to get a recessive phenotype (like dry earwax)?
a)
Inherit a dominant allele from at least ONE parent
b)
Inherit recessive alleles from BOTH parents
c)
Have a heterozygous genotype
d)
Replicate DNA
18.
Produces 4 haploid daughter cells
a)
Mitosis
b)
Meiosis
c)
Both
19.
DNA replicates before cell division
a)
Mitosis
b)
Meiosis
c)
Both
20.
Responsible for growth and repair
a)
Mitosis
b)
Meiosis
c)
Both
21.
Goes through ONE stage of division
a)
Mitosis
b)
Meiosis
c)
Both
22.
Goes through TWO stages of division
a)
Mitosis
b)
Meiosis
c)
Both
23.
Produces 2 identical daughter cells
a)
Mitosis
b)
Meiosis
c)
Both
24.
Starts with ONE diploid cell
a)
Mitosis
b)
Meiosis
c)
Both
25.
Responsible for making gametes (eggs and sperm)
a)
Mitosis
b)
Meiosis
c)
Both
26.
Type of nucleic acid
a)
DNA
b)
RNA
c)
BOTH
27.
Single stranded
a)
DNA
b)
RNA
c)
BOTH
28.
Double stranded
a)
DNA
b)
RNA
c)
BOTH
29.
Bases are A, T, G, C
a)
DNA
b)
RNA
c)
BOTH
30.
3 types
a)
DNA
b)
RNA
c)
BOTH
31.
1 type
a)
DNA
b)
RNA
c)
BOTH
32.
Bases are A, U, G, C
a)
DNA
b)
RNA
c)
BOTH
33.
Never leaves the nucleus
a)
DNA
b)
RNA
c)
BOTH
34.
Leaves the nucleus
a)
DNA
b)
RNA
c)
BOTH
35.
Have 4 bases
a)
DNA
b)
RNA
c)
BOTH
36.
Draw the complementary strand of DNA below (match the bases)
C G T ACG TAT TGA CGA GGA TAG TAC
C G T ACG TAT TGA CGA GGA TAG TAC
a)
CGT TAC ATC ACT GGA CGA TAG GAT
b)
GCA TGC ATA ACT GCT CCT ATC ATG
c)
C G T ACG TAT TGA CGA GGA TAG TAC
37.
Draw the complementary strand of mRNA below
C G T ACG TAT TGA CGA GGA TAG TAC
C G T ACG TAT TGA CGA GGA TAG TAC
a)
GCA UGC AUA ACU GCU CCU AUC AUG
b)
C G T ACG TAT TGA CGA GGA TAG TAC
c)
C G T ACG TAT TGA CGA GGA TAG TAC
38.
The first step of protein synthesis is ___________________________ .
a)
Transcription
b)
Translation
c)
Both
39.
The second step of protein synthesis is called _______________________.
a)
Transcription
b)
Translation
c)
Both
40.
Happens OUTSIDE of the nucleus
a)
Transcription
b)
Translation
c)
Both
41.
Happens INSIDE the nucleus
a)
Transcription
b)
Translation
c)
Both
42.
Makes mRNA
a)
Transcription
b)
Translation
c)
Both
43.
DNA is transcribed into a message
a)
Transcription
b)
Translation
c)
Both
44.
Happens in all of your cells
a)
Transcription
b)
Translation
c)
Both
45.
tRNA is directly involved
a)
Transcription
b)
Translation
c)
Both
46.
DNA is directly involved
a)
Transcription
b)
Translation
c)
Both
47.
Makes protein
a)
Transcription
b)
Translation
c)
Both
48.
mRNA is translated into a protein
a)
Transcription
b)
Translation
c)
Both
49.
Happens at a ribosome
a)
Transcription
b)
Translation
c)
Both
50.
Protein synthesis happens in _______ of our cells.
a)
None
b)
Some
c)
Most
d)
All
51.
All mutations are harmful/damaging
a)
True
b)
False
52.
All mutations give organisms an edge in survival (all mutations are helpful)
a)
True
b)
False
53.
All mutations are neutral (aren't harmful OR helpful)
a)
True
b)
False
54.
What is an adaptation?
a)
Trait caused by a mutation that helps an animal survive
b)
A version of a gene
c)
A trait that makes it harder to survive
d)
Passing of traits from one generation to the next
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