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Unit 5 Heredity Review

Total questions: 60

Worksheet time: 1hrs 4mins

Name
Class
Date
1.
The different forms of a gene
a)
heredity
b)
genetics
c)
gene
d)
alleles
2.
This trait always shows up in an organism when the allele is present
a)
dominant allele
b)
codominance
c)
probability
d)
recessive allele
3.
This trait is hidden whenever the dominant allele is present
a)
dominant allele
b)
codominance
c)
recessive allele
d)
Punnett Square
4.
A chart that shows all the possible combinations of alleles that can result from a genetic cross
a)
dominant allele
b)
codominance
c)
probability
d)
Punnett Square
5.
When alleles are neither dominant nor recessive (As a result, both alleles are expressed in the offspring.).
a)
codominance
b)
probability
c)
recessive allele
d)
Punnett Square
6.
An organism's physical appearance or visible traits
a)
fertilization
b)
genotype
c)
phenotype
d)
homozygous
7.
An organism's genetic makeup, or allele combination
a)
fertilization
b)
genotype
c)
phenotype
d)
heterozygous
8.
An organism that has two different alleles for a trait (hybrid)
a)
fertilization
b)
genotype
c)
homozygous
d)
heterozygous
9.
A ________________________ is used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
10.
__________________ is a tool for tracing through generations of family members.
a)
Pedigree
b)
Probability
c)
Purebred
d)
Punnett Square
11.
This diagram represents what type of inheritance pattern?
a)
sex-linked inheritance
b)
complete dominance
c)
codominance
d)
incomplete dominance
12.
How many phenotypes are there in ABO blood types?
a)
3
b)
4
c)
6
d)
12
13.
What is this diagram called?  What do the circles represent?
a)
karyotype, males
b)
karyotype, females
c)
pedigree, females
d)
pedigree, males
14.
What do the shaded shapes represent?
a)
normal individuals
b)
individuals who have the trait
c)
carriers
d)
deceased
15.
ABO blood types are an example of what type of inheritance?
a)
multiple alleles
b)
incomplete dominance
c)
polygenic inheritance
d)
genetic mutations
16.
AB blood type is an example of what type of inheritance?
a)
complete dominance
b)
incomplete dominance
c)
codominance
d)
polygenic inheritance
17.
If this image were real, it would represent what type of inheritance?
a)
incomplete dominance
b)
codominance
c)
polygenic inheritance
d)
compete dominance
18.
What gender of offspring are most often affected by sex-linked inheritance?  What gender are usually carriers of the trait?
a)
males, males
b)
females, males
c)
males, females
d)
females, females
19.
What is the disorder in this karyotype?
a)
this karyotype is normal
b)
deletion of #5
c)
trisomy 21, down syndrome
d)
Klinefelter's syndrome
20.
Chromosome pairs #s 1-22 are called
a)
mutations
b)
genosomes
c)
sex chromosomes
d)
autosomes
21.
The image shows the pattern of inheritance for colorblindness.  From this diagram we can tell that colorblindness is
a)
a codominant trait
b)
a sex-linked trait
c)
carried on the Y chromosome
d)
is associated with a dominant allele
22.
How much of your DNA do you inherit from your mom?
a)
10%
b)
25%
c)
50%
d)
it varies
23.
A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance.  What percentage of the offspring will have pink (RW) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
24.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
25.
How are Incomplete Dominance and Co Dominance different than a normal Mendelian cross?
a)
There is no difference
b)
The heterozygous genotype has a unique phenotype
c)
There is no heterozygous genotype
d)
There is only one phenotype regardless of genotype.
26.
In a Punnett square each box represents a(n)....
a)
offspring
b)
parent
c)
gene
d)
trait
27.
What did Gregor Mendel's primary experiment consist of?
a)
Peas
b)
Flowers
c)
Beans
28.
Looking at this pedigree, how many female family members are carriers?
a)
1
b)
3
c)
10
d)
7
29.
I have 2 X chromosomes. What am I?
a)
Male
b)
Female
30.
Any change in the sequence of DNA is...
a)
transgenic shift
b)
Single Genotype
c)
Monohybrid Trait
d)
Mutation
31.
What type of gene mutation has occurred here? 
T-G-A-C-C-A
T-G-A-C-C-A-A
a)
Base Substitution
b)
Base Deletion
c)
Base Insertion
d)
Frameshift 
32.
What type of gene mutation has occurred here? Normal-
AGA-TTC-ATA-GCG
Mutant-
AGA-TTC-AAT-AGC-G
a)
deletion frameshift
b)
insertion frameshift
c)
substitution
d)
nonsense
33.

What type of mutation is shown in the diagram?

a)

Point mutation - missense

b)

Frameshift Mutation - deletion

c)

Frameshift Mutation - addition

d)

Point mutation - nonsense

34.

TRUE or FALSE. The removal of one base to the DNA sequence might lead to a change on the succeeding (next) codon.

a)

True

b)

False

35.

DOES THE DNA MUTATION ALWAYS ALTER THE AMINO ACID SEQUENCE?

a)

Yes

b)

No

36.

Which of the following statement is NOT true?

a)

Point mutation involves a chemical change in just one base pair.

b)

Frameshift mutation occurs when there is an addition or removal of a base.

c)

Nonsense mutation occurs when the DNA change creates a stop codon that causes the translation to terminate early.

d)

Point mutation affect every codon beyond the point of mutation .

37.

Mutations can be negative because

a)

They can cause cancer

b)

They can cause birth defects

c)

They can help an organism thrive in its environment.

d)

They can affect offspring.

38.

Mutations can benefit humans because they can:

a)

Cause illness

b)

Make an organism more suited to live in its environment.

c)

Make organisms live shorter lives

d)

Cause organisms to grow extra limbs.

39.
What causes mutations?
a)
Mistakes in replication or environmental substances
b)
The amino acids
c)
Passed down by genetics
d)
It's how your born
40.

A mutation in which only one nucleotide is altered is called a:

a)

Frameshift Mutation

b)

Deletion Mutation

c)

Point Mutation

d)

Insertion Mutation

41.

In which ways can genetic engineering can improve crops

a)

Make them pest or drought resistant

b)

Make them more nutritious

c)

Make them larger

d)

All answers are correct

42.

Humans with genetic diseases can have a gene inserted into their body using a virus. This is called:

a)

Gene therapy

b)

Cloning

c)

DNA fingerprinting

43.
When DNA is manipulated and moved from one source to another it is known as
a)
genetic engineering
b)
electrophoresis
c)
gene therapy
d)
GMO
44.
Which term refers to a farmer choosing the best corn from this year to plant next year?
a)
natural selection
b)
selective breeding
c)
genetic engineering
d)
genetic transformation
45.
Gel electrophoresis enables scientists to
a)
separate DNA fragments.
b)
combine DNA fragments.
c)
count the genes in DNA.
d)
insert DNA in cells.
46.
Genetic engineering has been used to produce
a)
medicines.
b)
food animals.
c)
improved crops.
d)
all of these.
47.
Breeders can increase the genetic variation in a population by using
a)
inbreeding.
b)
mutations.
c)
hybridization.
d)
restriction enzymes.
48.
Which produces offspring from a single cell of an adult?
a)
inbreeding.
b)
mutations.
c)
hybridization.
d)
cloning.
49.

Examples of mutagens

a)

Radiation

b)

UV Light

c)

Cigarette smoke

50.

Changes in the number or location of genes

a)

Gene mutations

b)

DNA mutations

c)

Chromosome mutations

d)

Genome mutations

51.

Chromosome mutations that changes the size of chromosomes and results in multiple copies of a single gene.

a)

Duplication

b)

Translocation

c)

Nondisjunction

52.

Chromosome mutation in which pieces of non-homologous chromosomes exchange segments (during crossing-over).

a)

Duplication

b)

Translocation

c)

Nondisjunction

53.

Chromosomes do not separate correctly during anaphase, resulting in 1 or 3 chromosomes rather than 2 per cell.

a)

Duplication

b)

Translocation

c)

Nondisjunction

54.

Down Syndrome is an example of what type of chromosome mutation?

a)

Duplication

b)

Translocation

c)

Nondisjunction

55.

Caused by the presence of 2 recessive alleles on autosomes

a)

Autosomal Recessive Disorders

b)

Autosomal Dominant Disorders

c)

Sex-Linked Disorders

d)

Autosomal Chromosome Disorders

e)

Sex Chromosome Disorders

56.

Which of the following is true about Carriers?

a)

Does NOT show the trait, but can pass the trait-causing allele

b)

Does show the trait and can pass the trait-causing allele

c)

Does NOT show the trait but cannot pass the trait-causing allele

d)

Does show the trait and cannot pass the trait-causing allele

57.

Caused by the presence of 1 dominant allele on autosomes

a)

Autosomal Recessive Disorders

b)

Autosomal Dominant Disorders

c)

Sex-Linked Disorders

d)

Autosomal Chromosome Disorders

e)

Sex Chromosome Disorders

58.

Caused by the presence of an allele on the X sex chromosome

a)

Autosomal Recessive Disorders

b)

Autosomal Dominant Disorders

c)

Sex-Linked Disorders

d)

Autosomal Chromosome Disorders

e)

Sex Chromosome Disorders

59.

Often caused by nondisjunction of autosomes. The failure to separate homologous chromosomes during meiosis.

a)

Autosomal Recessive Disorders

b)

Autosomal Dominant Disorders

c)

Sex-Linked Disorders

d)

Autosomal Chromosome Disorders

e)

Sex Chromosome Disorders

60.

Often caused by nondisjunction of sex chromosomes. Causes an abnormal number of sex chromosomes due to mistake in meiosis.

a)

Autosomal Recessive Disorders

b)

Autosomal Dominant Disorders

c)

Sex-Linked Disorders

d)

Autosomal Chromosome Disorders

e)

Sex Chromosome Disorders

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