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Unit 4 - Heredity Summative review

Total questions: 65

Worksheet time: 1hrs 8mins

Name
Class
Date
1.
The different forms of a gene
a)
heredity
b)
genetics
c)
gene
d)
alleles
2.
The factors that control a trait
a)
genetics
b)
trait
c)
gene
d)
alleles
3.
This trait always shows up in an organism when the allele is present
a)
dominant allele
b)
codominance
c)
probability
d)
recessive allele
4.
The mathematical chance that an event will occur
a)
dominant allele
b)
probability
c)
recessive allele
d)
Punnett Square
5.
An organism that has two different alleles for a trait (hybrid)
a)
fertilization
b)
genotype
c)
homozygous
d)
heterozygous
6.
What is Bb?
a)
Homozygous
b)
Heterozygous
c)
Recessive
d)
Alleles
7.
What are the two genotypes that show the DOMINANT Phenotype
a)
GG, gg
b)
GG, Gg
c)
Gg, gg
8.
What is the only Genotype that shows the RECESSIVE Phenotype?
a)
GG
b)
Gg
c)
gg
9.

What kind of cells are made in MEIOSIS?

a)

Haploid Gametes

b)

Diploid Somatic Cells

c)

Skin Cells

d)

Liver Cells

10.

A human body (somatic) cell usually has how many chromosomes?

a)

6

b)

23

c)

4

d)

46

11.
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs
a)
crossing over
b)
mutagenesis
c)
hybridization
d)
fertilization
12.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
13.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
14.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
15.
The result of meiosis is:
a)
two diploid cells
b)
two haploid cells
c)
four diploid cells
d)
four haploid cells
16.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
17.

The chromosomes that pair up during meiosis, are called __________ chromosomes.

a)

heterozygous

b)

asexual

c)

homologous pairs

d)

genes

18.
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
a)
23, 46
b)
46, 23
c)
2, 4
d)
50, 100
19.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
20.
a)
This karyotype shows Trisomy 21
b)
This karyotype has no abnormality
c)
This karyotype is missing a sex chromosome (monosomy x)
d)
This karyotype is from a gamete
21.
What is the chromosomal condition of the individual whose karyotype is seen in the image?
a)
Monosomy X (Turner's Syndrome)
b)
Trisomy 21 (Down's Syndrome)
c)
Trisomy 13 (Patau Syndrome)
d)
Trisomy 18 (Edwards's Syndrome)
22.
Nondisjunction can result in 
a)
trisomy conditions
b)
monosomy conditions
c)
additional sex chromosomes
d)
all of these
23.
When chromosomes fail to separate correctly during anaphase of meiosis, what can occur?
a)
extra chromosomes are found in the sex cell
b)
chromosomes of the sex cell are doubled
c)
chromosomes of the sex cell are halved
d)
meiosis never completes
24.
Down's syndrome occurs because of a(n)
a)
missing sex chromosome
b)
extra sex chromosome
c)
additional 21st chromosome
d)
additional 18th chromosome
25.
The physical appearance of an organism based on traits
a)
Genotype
b)
Phenotype
c)
Meiosis
d)
Genetics
26.
The allele combinations
a)
genetics
b)
mitosis
c)
genotype
d)
phenotype
27.
Hair colour is an example of
a)
genotype
b)
phenotype
28.
Having the genes for baldness is an example of
a)
genotype
b)
phenotype
29.
The genotype of:  Heterozygous Course Hair  will have the alleles of...
a)
Hh
b)
HH
c)
hh
30.
What is the percentage of homozygous recessive offspring?
a)
0%
b)
25%
c)
50%
d)
75%
31.
Term for an organism that display two dominant phenotypes at the same time
a)
codominance
b)
incomplete dominance
c)
multiple alleles
d)
linked genes
32.
Incomplete dominance means that the traits are
a)
expressed equally
b)
dominant
c)
recessive
d)
blended
33.
Snapdragon flowers come in red, pink and white.  What type of inheritance is this?
a)
Complete Dominance
b)
Incomplete Dominance
c)
Codominance
d)
Polygenic Inheritance
34.
Colorblindness is a sex-linked recessive disorder. A normal woman whose father was colorblind marries a man with normal color vision. What percentage of their sons will be colorblind?
a)
0%
b)
25%
c)
50%
d)
100%
35.
Colorblindness is a sex-linked recessive disorder. If the daughter of a couple is colorblind, what are the two possible genotypes of her mother?
a)
XAXA and XAXa
b)
XAXA and XaXa
c)
XAXa and XaXa
d)
Cannot be determined
36.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY
37.
Which of the following genotypes belongs in the red box in the Punnett square?
a)
XBXb
b)
XbXb
c)
XbY
d)
XBY
38.
What gamete possibilities could come from this parent's genotype?
a)
AB, AB, aB, aB
b)
Ab, AB, Ab, ab
c)
Ab, Ab, Ab, Ab
d)
AB, aB, ab, aB
39.

What is NOT a possible genotype for someone with type B blood?

a)

IBIB

b)

IAIB

c)

IB i

d)

i i

40.

Bob is blood Type B and Hilda is Type A, their son Barry is Type O. What are the only possible genotypes of Bob and Hilda?

a)

Bob: IBi

Hilda: IAi

b)

Bob: IBi

Hilda: IAIA

c)

Bob: IBIB

Hilda: IAi

d)

Bob: IBIA

Hilda: IAi

41.

What do we use pedigrees for?

a)

To look at families

b)

To make determinations about the offspring

c)

To track traits in families

d)

To find out what type of dog we have

42.
What type of inheritance is determined by multiple genes located at different loci on different chromosomes and there can be a range of traits?
a)
Codominance
b)
Incomplete dominance
c)
Polygenic traits
43.
What pattern of inheritance is shown in this image?
a)
Codominance
b)
Incomplete dominance
c)
Polygenic traits
44.
A black sheep and a white sheep have grey offspring. This is an example of 
a)
Mendelian Genetics
b)
Sex Linked Traits
c)
Incomplete Dominance
d)
Codominance
45.

Which of the following laws claims that alleles will separate during meiosis, one going to half the sex cells, the other allele going to the other half.

a)

Law of Domination

b)

Law of Segregation

c)

Law of Speciation

d)

Law of Genetics

46.

Which of the following laws claims that alleles will come together independently of each other in the offspring?

a)

Law of Independent Assortment

b)

Law of Probable Expression

c)

Law of Typical Collection

d)

Law of Assorted Assignment

47.
T2 - Based on the picture of Mendel's experiment, which of Mendel's Laws could you propose?
a)
Law 1, The Law of Dominance
b)
Law 2, The Law of Segregation
c)
Law 3, The Law of Independent Assortment
d)
Both Law 1 and Law 2
48.

What goes in box 3

a)

Aabb

b)

AABB

c)

AAbb

d)

aaBb

49.
Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?
a)
9/16
b)
3/16
c)
1/16
d)
16/16
50.

An offspring of crosses that has two different alleles for a trait

a)

purebred

b)

inbred

c)

hybrid

d)

wheatbred

51.

An offspring of crosses that has the same form of traits

a)

multiple alleles

b)

heterozygous

c)

hybrid

d)

purebred

52.
Blood type in humans is an example of __________ controlling a trait.
a)
one allele
b)
mutations
c)
multiple genes
d)
multiple alleles
53.

What is the genotype of a person with type A blood, who had a father with type O blood?

a)

IAIB

b)

IAi

c)

IAIA

d)

ii

54.

A man with type AB blood is accused of being the father of a type O baby. The mother is type A. Could this man be the father?

a)

Yes

b)

No

55.
Which term(s) best describes the inheritance of human blood types? 
a)
incomplete dominance and multiple alleles
b)
codominance and epistasis
c)
codominance and multiple alleles
d)
incomplete dominance and codominance
56.
circumstance where the expression of one gene is affected by the expression of one or more independently inherited genes
a)
epigenetics
b)
epistasis
c)
epigenome
d)
enzyme
57.
What are the blood types of the possible children that a woman (type O) and man (type AB) can have?
a)
O and AB
b)
O and A
c)
O and B
d)
A and B
58.
When the heterozygous phenotype displays properties of both the phenotypes at the same time, this is called?
a)
Domiance
b)
Multi-Dominace
c)
Incomplete Dominace
d)
Co-Dominance
59.
Epistasis is when the expression of one gene is masked or modified by another _______
a)
chromosome
b)
allele
c)
gene
d)
person
60.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
61.
Is this trait (the shaded individuals) dominant or recessive?
a)
dominant
b)
recessive
62.
What is the mode of inheritance shown here?
a)
Autosomal Dominant
b)
Autosomal Recessive
c)
Sex Linked Recessive
63.

What is the mode of inheritance shown here?

a)

Sex Linked

b)

Autosomal Dominant

c)

Autosomal Recessive

64.
What is the mode of inheritance shown here?
a)
Autosomal Recessive
b)
Autosomal Dominant
c)
Sex Linked
65.
What is the mode of inheritance shown here?
a)
Autosomal Recessive
b)
Autosomal Dominant
c)
Sex Linked

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