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Genetics Review Game

Total questions: 68

Worksheet time: 58mins

Name
Class
Date
1.
The passing of traits from parent to offspring 
a)
Heredity 
b)
Genetics 
c)
Hybrid 
d)
Probability 
2.
Who was the father of genetics 
a)
Sagan 
b)
Issac Newton 
c)
Gregor Mendel 
d)
C.jenkins 
3.
The study of heredity and the variation of inherited characteristics 
a)
gene
b)
genetics 
c)
meiosis 
d)
hybrid 
4.
 which is heterozygous ?  
a)
Tt
b)
TT
5.
Which is homozygous ?
a)
Zz
b)
SS
6.
the genetic makeup of an organism
a)
heterozygous
b)
punnet square
c)
genotype
7.
what predicts the outcome
a)
genetic engineering
b)
punnet square
c)
probability
8.
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
9.
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
10.
Squidward has light blue skin, and his genotype for this trait is Bb. Would Squidward be considered a purebred or hybrid for light blue skin?
a)
Purebred
b)
Hybrid
11.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
12.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
13.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
14.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
15.
Magda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Magda most likely inherit?
a)
height
b)
the scar
c)
ability to swim
d)
ability to play drums
16.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
17.
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
18.
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
19.
Two heterozygous (Tt) tall pea plants are crossed. Which describes their offspring?
a)
50% tall and 50% short
b)
75%tall and 25% short
c)
100%short
20.
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
21.
W=white hair
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?
a)
none
b)
3/4
c)
1/2
d)
all
22.
In this punnett square, which is the dominant trait?
The B stands for bud.
a)
purple flower bud
b)
white flower bud
c)
dominant
d)
recessive
23.
A human usually has _____ total chromosomes.
a)
6
b)
22
c)
4
d)
46
24.

The different forms of a gene are called ---

a)

traits

b)

hybrids

c)

alleles

25.

What type of inheritance pattern is shown here?

a)

Codominance

b)

Incomplete dominance

26.

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

a)

Incomplete dominance

b)

Codominance

27.

This is an example of ---

a)

Incomplete dominance

b)

Codominance

28.

Snap dragon color is a incomplete dominant trait. A red flower (RR) is crossed with white flower (WW)? What color are flowers that are RW?

a)

Red and white

b)

Red

c)

Pink

29.

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%

30.

A tall plant (TT) is crossed with a short plant (SS). The result is a medium plant (TS). This is what type of inheritance pattern?

a)

Incomplete dominance

b)

Codominance

31.

The hair form gene shows incomplete dominance. Straight hair (SS) is dominant, curly hair (CC) is recessive, and wavy hair (SC) is heterozygous. Mr. and Mrs. Anderson both have wavy hair (SC). What percentage of their children will also have wavy hair (SC)?

a)

25%

b)

50%

c)

75%

d)

100%

32.

Which one of the following gives rise to a normal human female?

a)

22 pairs of autosomes and XX

b)

23 pairs of autosomes and XO

c)

23 pairs of autosomes and XY

d)

23 pairs of autosomes and XX

33.
What percentage of the offspring will have this recessive disease?
a)
0%
b)
25%
c)
50%
d)
75%
34.
What percentage of the female offspring will be a carrier for this recessive disease?
a)
0%
b)
50%
c)
100%
d)
25%
35.
Looking at this pedigree, how many female family members are carriers?
a)
1
b)
3
c)
10
d)
7
36.
Looking at this pedigree, how many family members have the disease?
a)
4
b)
7
c)
All
d)
None
37.
What is the purpose of using a pedigree?
a)
To determine the average age of a family 
b)
To find out family histories and medical records 
c)
To find out whether a couple can have a boy or a girl 
d)
To trace the inheritance of a certain trait through generations
38.
How many PAIRS of sex chromosomes do humans have?
a)
23
b)
46
c)
1
d)
2
39.
I have 1 X chromosome and 1 Y chromosome. What am I?
a)
Male
b)
Female
40.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be what?
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
41.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY
42.
In fruit flies, red eye color (R) is a sex-linked trait that is dominant over white eye color (r).
According to the Punnett square, what percentage of female offspring will have red eyes?
a)
0%
b)
25%
c)
50%
d)
100%
43.
Duchenne muscular dystrophy is a recessive x-linked disorder.
According to the Punnett square, what percentage of offspring will have the disorder?
a)
0%
b)
25%
c)
50%
d)
100%
44.
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
45.

What would be blood groups of the progeny of heterozygous father with blood group A and mother homozygous for B?

a)

A and B

b)

AB and A

c)

O

d)

AB and B

46.
There are multiple alleles for the ABO blood group.  Why are only two of these alleles present in any one individual? 
a)
Each parent contributes only one allele for the ABO blood group to the offspring.
b)
There are not enough nucleotides in a red blood cell to produce a third allele. 
c)
Each allele in the ABO group must be dominant or recessive
d)
Blood group alleles are not segregated during meiosis. 
47.
A man with type O blood is accused of being the father of a type B baby. The mother is type A. Could this man be the father? 
a)
Yes 
b)
No
48.
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
49.
A personal with type AB blood has which genotype?
a)
type A
b)
AA
c)
IAIA
d)
IAIB
50.
An example of polygenic inheritance is...
a)
Skin Color
b)
hitch hikers thumb
c)
blood types
51.

The pattern of inheritance in which there are three or more possible alleles for a trait is

a)

Incomplete dominance

b)

Codominance

c)

Polygenic Inheritance

d)

Multiple Alleles

52.

Height in humans is an example of

a)

incomplete dominance

b)

codominance

c)

multiple alleles

d)

polygenic inheritance

53.
In a pedigree, what shape represents a male?
a)
circle
b)
square
c)
triangle
d)
diamond
54.
What type of heredity is shown in the pedigree?
(hint: check your notes - "modes of inheritance")
a)
Sex-Linked Dominant
b)
Sex-Linked Recessive
c)
Autosomal Dominant
d)
Autosomal Recessive 
55.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
56.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
57.
In the second generation-how many people are carriers of the trait?
a)
2
b)
3
c)
5
d)
6
58.
There are no carriers for Huntington's Disease- you either have it or you don't. Is Huntington's disease caused by a dominant or recessive trait?
a)
Dominant
b)
Recessive
59.
How many girls did II-1 and II-2 have?
a)
1
b)
2
c)
3
d)
4
60.
How are individuals I-2 and III-5 related?
a)
Grandpa and grandson
b)
Mom and son
c)
Uncle and nephew
d)
Grandma and grandson
61.
Huntington's Disease is a dominant trait.
What is the correct genotype for individual I-2?
a)
HH
b)
Hh
c)
hh
d)
H_
62.
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
63.

Which type of chromosome abnormality would occur from improper chromosome separation in anaphase?

a)

extra, missing, or flipped sections of a single chromosome

b)

entirely extra or missing chromosomes

64.
What is the gender of the individual whose karyotype is seen in the image?
a)
Male
b)
Female
65.
The doctors use karyotypes to examine the chromosomes. A karyotype is a picture of all the chromosomes in a cell.
a)
True
b)
False
66.
What is the chromosomal condition of the individual whose karyotype is seen in the image?
a)
Turner's Syndrome
b)
Trisomy 21 (Down Syndrome)
c)
Trisomy 13
d)
Trisomy 18
67.

A person with Down syndrome has three #21 chromosomes. This means one of their gametes had two instead of one.

Which of the following is why gametes sometimes have too many chromosomes?

a)

Incomplete dominance

b)

Nondisjunction

c)

Inversion mutation

d)

Substitution mutation

68.
Is this Karyotype human?
a)
Yes
b)
No
c)
Impossible to Determine

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