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How "I" was Genetically Made

Total questions: 56

Worksheet time: 47mins

Name
Class
Date
1.

Which is heterozygous ?

a)

Tt

b)

TT

2.
Which is homozygous ?
a)
Zz
b)
SS
3.
what predicts the outcome
a)
genetic engineering
b)
punnet square
c)
probability
4.
A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?
a)
100% BB
b)
75% BB and 25%Bb
c)
50 % BB and 50% Bb
d)
50% Bb and 50% bb
5.
Genotype refers to the ...
a)
physical expression of the genes
b)
the possible combination of alleles in a gene
c)
whether an allele is dominant or recessive
d)
how an organism will appear
6.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
7.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
8.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
9.
G = green, g = yellow
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
10.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
11.
Which answer best describes codominant alleles?
a)
Both are equally dominant
b)
Both are equally recessive
c)
Neither are dominant or recessive
12.
B=brown eyes
b= blue eyes
What is true about two brothers that have brown eyes?
One has genotype BB the other Bb.
a)
they have same phenotype and genotype
b)
they have different genotypes and phenotypes
c)
they have same phenotype but different genotypes
d)
they have same genotype but different phenotypes
13.
This is an example of what?
a)
Complete dominance
b)
Incomplete dominance
c)
Codominance
d)
None of the above
14.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
15.
In fruit flies eye color is carried on the X chromosome. RED is dominant to WHITE. What is the sex and color of the following: XrY
a)
female red
b)
female white
c)
male red
d)
male white
16.
The man who studied genetics and came up with genetics is
a)
Watson
b)
Crick
c)
Mendel
d)
Darwin
17.
What law states that in Tt the person will only show the dominant allele
a)
law of segregation
b)
law of independent assortment
c)
law of dominance
d)
law of punnett squares
18.
What genotype is missing from this Punnett Square?
a)
RrYy
b)
RRYY
c)
rryy
d)
RrYY
19.
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
20.
What kind of trait is colorblindness if females can be carriers without having the disease?
a)
Regular trait
b)
Sex-linked trait
c)
Co-dominant
d)
Incomplete dominant
21.

Because it involves two sets of genes--this type of cross is called a ___________________.

a)

dihybrid cross

b)

monohybrid cross

22.

Through the dihybrid cross Mendel discovered the _______________________________ assortment.

a)

Principle of Independent

b)

Principle of Dark Side

c)

Principle of Cominations

23.

_______________________ is the likelihood that an event will occur.

a)

betting

b)

probability

c)

domination

24.

This states that some alleles are dominant and some are recessive.

a)

Principle Of Dominance

b)

Principle of Factors

25.
Stem cells are
a)
cells that grow uncontrollably
b)
undifferentiated and can be any type of cell
c)
never go through cell division
d)
only found in embryos
26.
the process of creating a genetically identical copy of an organism or gene
a)
cloning
b)
gel electrophoresis
c)
polymerase chain reaction
d)
restriction enzymes
27.
In a pedigree chart, how are females illustrated
a)
circles
b)
squares
c)
triangles
d)
lines
28.
In a pedigree chart, how are characterisitcs or traits illustrated
a)
circles
b)
squares
c)
shading
d)
lines
29.
In humans, what would the blood type of a child be if she inherited type A from Dad and type B from Mom?
a)
O
b)
A
c)
B
d)
AB
30.
What process is shown in the picture?
a)
Gene therapy
b)
Cloning
c)
DNA Fingerprinting
d)
Gene Splicing
31.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
32.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
33.
This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?
a)
8
b)
5
c)
2
d)
3
34.
Is this trait (the shaded individuals) dominant or recessive?
a)
dominant
b)
recessive
35.
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
36.
a)

Codominance

b)

Incomplete Dominance

c)

Polygenic Inheritance

d)

Sex-Linked Trait

37.
a)

Codominance

b)

Incomplete Dominance

c)

Polygenic Inheritance

d)

Sex-Linked Trait

38.
a)

Codominance

b)

Sex-Linked Trait

c)

Polygenic Inheritance

d)

Monohybrid

39.
a)

Codominance

b)

Sex-Linked Trait

c)

Polygenic Inheritance

d)

Monohybrid

40.
a)

Codominance

b)

Sex-Linked Trait

c)

Polygenic Inheritance

d)

Incomplete Dominance

41.
Allele i is...
a)
Dominant to IA
b)
Recessive to IA
c)
Co-dominant to IA
d)
Incompletely dominant to IA
42.
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
43.
The image above is an example of
a)
blending 
b)
a phenotype
c)
homozygous
d)
a dihybrid cross
44.
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%
45.
What is the probability of homozygous dominant offspring?
a)
25%
b)
50%
c)
0%
d)
100%
46.
If B = brown hair and b = blonde hair, what is the probability of brown hair?
a)
25%
b)
50%
c)
0%
d)
75%
47.

The variety of genes and alleles that exist in organisms

a)

independent assortment

b)

chromosomal abnormalities

c)

genetic diversity

d)

mutations

48.

This law describes how each member of a homologous pair is pulled randomly to one side or another in anaphase I

a)

Law of Segregation

b)

Law of Independent Assortment

c)

Law of Gravity

d)

Law of Mathematical Order

49.

This law describes how each homologous pair separates independently of any other pairs during Anaphase I of meiosis

a)

Law of Segregation

b)

Law of Independent Assortment

c)

Law of Gravity

d)

Law of Mathematical Order

50.

Any change in the sequence of DNA is a

a)

recombination

b)

mutation

c)

chromatin

d)

independent assortment

51.
Why is the gene for a disease or disorder more likely to be found on the X chromosome than Y?
a)
The X chromosome has many more genes
b)
The Y chromosome has many more genes
52.
Males are more likely to suffer from a sex-linked disease or disorder because
a)
males are the weaker sex
b)
males have less DNA
c)
males have 1 X chromosome, so the disorder is more likely to be expressed
53.

Why were people sterilized without their consent during the eugenics movement?

a)

They were "unfit" or members of an "undesirable" group, such as criminals or people who had low IQs

b)

Our population was too big and we were running out of food

c)

As a punishment for infidelity (cheating)

d)

Because too many women were dying during childbirth

54.

noun-the science of improving humans through controlled breeding to achieve desirable hereditary traits

a)

renegade

b)

bioethicists

c)

eugenics

d)

moratorium

55.

What is transformation?

a)

The use of viruses to transform or genetically


engineer cells.

b)

The measure of how well cells are transformed in a new phenotype.

c)

The insertion of a foreign plasmid into a bacterial cell which results in new acquired traits.

d)

Genetic engineering or transformation of mammalian cells.

56.
Corn and rice are two of these most genetically modified crops in the US.
a)
true
b)
false

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