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Sex linked traits, pedigrees, mutations, non mendelian

Total questions: 50

Worksheet time: 1hrs 3mins

Name
Class
Date
1.
A normal human has ___ pairs of autosomes and ___ pair(s) of sex chromosomes.
a)
23,1
b)
22,1
c)
1, 22
d)
1, 23
2.
The X and Y chromosomes are known as the ___ chromosomes.
a)
sex
b)
autosome
c)
biological
d)
genetic
3.
____ are chromosomes that contain genes for characteristics unrelated to sex.
a)
autosomes
b)
microsomes
c)
cosmos
d)
inheritance 
4.
Females have ____ and males have _____ chromosomes.
a)
XX, XY
b)
XY, XX
c)
XX, XX
d)
XY, XY
5.
How can genetic counselors predict genetic disorders/
a)
by studying karyotypes and pedigree charts
b)
by taking pictures of a baby before it is born
c)
by exploring new methods of genetic engineering 
d)
by eliminating codominant alleles in the parents
6.

A person who has one recessive and one dominant allele for a trait is called a(n) _______________.

a)

carrier

b)

domineer

c)

passer

7.
Where are genes located?
a)
On the chromosome, in the nucleus
b)
On the nucleus inside the chromosome
c)
on the ribosome in the mitochondria
d)
on the moon
8.
 which is heterozygous ?  
a)
Tt
b)
TT
9.
Which individual in the first generation is a carrier?
a)
The male
b)
The female
c)
individual 1
d)
None of the above
10.
Photograph of chromosomes grouped in ordered pairs
a)
pedigree
b)
Punnett Square
c)
Venn Diagram
d)
Karyotype
11.
Looking at this pedigree, how many female family members are carriers?
a)
1
b)
3
c)
10
d)
7
12.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
13.
What percentage of the offspring will have this recessive disease?
a)
0%
b)
25%
c)
50%
d)
75%
14.
What percentage of the female offspring will be a carrier for this recessive disease?
a)
0%
b)
50%
c)
100%
d)
25%
15.
When we say that a woman is a carrier for a genetic disease or disorder it means that
a)
she has 1 gene, but not the disorder
b)
she has 2 genes for the disorder
c)
she can pass the gene only to male children
d)
she can pass the gene only to female children
16.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be 
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
17.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?
a)
XHXh
b)
XhXh
c)
XHXH
d)
XhY
18.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY
19.

This image is an example of a _____________ cross.

a)

Monohybrid

b)

Dihybrid

c)

Purebred

d)

Pure Breeding

20.
In a pedigree, what shape represents a male?
a)
circle
b)
square
c)
triangle
d)
diamond
21.
a)
Not Affected Male
b)
Not Affected Female
c)
Affected Male
d)
Affected Female
22.
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)
Nothing
23.
In the second generation-how many people have the disease or display the physical trait?
a)
2
b)
4
c)
5
d)
6
24.
What do half colored symbols represent?
a)
The individual is a carrier (heterozygous).
b)
The individual expresses the trait.
c)
The individual has both recessive alleles.
d)
The individual has both dominant alleles.
25.

Genetic mutations can be...

a)

beneficial, harmful, or neutral

b)

beneficial only

c)

harmful only

d)

neutral only

26.

Identify the following mutation:

Original DNA: ATCGTC

Mutated DNA: ATGGTC

a)

Substitution (Point)

b)

Insertion (frameshift)

c)

Deletion

27.
What mutation has occurred here? 
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution
b)
Deletion
c)
Insertion
d)
Frameshift 
28.
If you are missing or have an extra base  at the end of your mutated DNA . What type of mutation occurred?
a)
Substitution
b)
Frameshift
c)
Duplication 
d)
Insertion
29.
A T T T G A G C C- Original
    A T T G A G C C  - Mutated
The example above is an example of a :
a)
Insertion- Frameshift
b)
Deletion- Substitution
c)
Deletion -Frameshift
d)
All of the above
30.

Chromosome mutation involving loss of a piece of chromosome.

a)

Deletion

b)

Inversion

c)

Translocation

d)

Removal

31.

Chromosome mutation involving loss or gain of a chromosome in the gametes.

a)

Deletion

b)

Inversion

c)

Translocation

d)

Nondisjunction

32.

Chromosome mutation involving the repeat of a piece of chromosome.

a)

Deletion

b)

Inversion

c)

Translocation

d)

Duplication

33.

Chromosome mutation involving a segment of a chromosome breaking off and flipping before reconnecting.

a)

Deletion

b)

Inversion

c)

Translocation

d)

Duplication

34.

Chromosome mutation involving a segment of a chromosome breaking off and attaching to a non-homologous chromosome.

a)

Deletion

b)

Inversion

c)

Translocation

d)

Duplication

35.
a)

Deletion

b)

Inversion

c)

Translocation

d)

Duplication

36.
a)

Deletion

b)

Inversion

c)

Translocation

d)

Duplication

37.
Which genetic abnormality can be identified through karyotyping? 
a)
point mutation
b)
recessive allele
c)
extra chromosomes
d)
sex-linked allele
38.
A red flowered plant (RR) is crossed 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%
39.
What type of inheritance do two alleles have if their traits blend together? 
a)
Incomplete Dominance
b)
Co-Dominance
40.
This is an example of ___________?
a)
Incomplete dominance
b)
Co-Dominance
41.
A tall plant (TT) is crossed with a short plant (SS) and a medium plant (TS) results. This is what type of inheritance pattern?
a)
Incomplete Dominance
b)
Codominance
42.
The different forms of a gene are called
a)
traits
b)
pollinators
c)
alleles
d)
hybrids
43.
condition in which both alleles for a gene are expressed when present - both traits are visible
a)
Codominance
b)
Dominance
c)
Complete dominance
d)
Incomplete dominance
44.
this image is an example of
a)
codominance
b)
dominance
c)
incomplete dominance
45.
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
46.
Epistasis is when the expression of one gene is masked or modified by another _______
a)
chromosome
b)
allele
c)
gene
d)
person
47.
Coat color in labs is an example of:
a)
Polygenic Traits
b)
Epistasis
c)
X-Chromosome Inactivation
d)
X-linked traits (same as sex-linked)
48.

B = Black, b = Chocolate. Some labs inherit black or brown fur alleles but have light fur. This graphic shows an example of...

a)

Codominance

b)

Epistasis

c)

Mendelian Dominance

d)

Polygenic inheritance

49.
A woman has type B blood and her husband has type O blood.  What must be the woman's genotype, if they have a child with type O blood?
a)
BO
b)
BB
c)
OO
d)
type B
50.
Cross Two Homozygous plants
(
RRYY x rryy)
R = round seeds, r  = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds? 
a)
0%
b)
25%
c)
50%
d)
100%