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WorksheetsGENETICS TEST 2019
Total questions: 70
Worksheet time: 2hrs 59mins
Name
Class
Date
1.
Having two of the same genes for the trait (TT, tt); Both dominant or both recessive.
a)
homozygous or purebred
b)
heterozygous or hybrid
c)
twin offspring
d)
pairs of chromosomes
2.
What characteristic would a child NOT inherit from parents?
a)
freckles
b)
eye color
c)
hair style
d)
dimples
3.
Which of the following alleles is homozygous (purebred) recessive?
a)
Tt
b)
tt
c)
TT
d)
t
4.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
5.
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%
6.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous genes
d)
mutated DNA
7.
Aa is
a)
homozygous (purebred)
b)
heterozygous (hybrid)
8.
A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?
a)
25%
b)
50%
c)
75%
d)
100%
9.
Evan is a tall, 12 year old boy. He has a scar on his right cheek. He is intelligent and an excellent drummer. Which of his traits did he most likely inherit?
a)
height
b)
the scar
c)
his intelligence
d)
ability to play drums
10.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both
11.
G = green, g = yellow
The genotype for a yellow plant is...
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
12.
T = tall an t = short
TT and Tt would result in the following phenotype
TT and Tt would result in the following phenotype
a)
short
b)
tall
c)
medium sized
d)
neither tall or short
13.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
14.
What gender has an X and a Y chromosome?
a)
male
b)
female
c)
transgender
d)
all of the above
15.
Who is considered the "father of genetics"?
a)
Gregor Mendel
b)
Reginald Punnett
c)
James Watson
d)
Justin Bieber
16.
The scientific study of heredity is ____.
a)
Genetics
b)
Punnett squares
c)
Inheritance
d)
Biology
17.
If one stronger trait "covers" up another weaker trait, the trait that covers the other is said to be:
a)
Dominant
b)
Heterozygous
c)
Recessive
d)
Hidden
18.
The purpose of selective breeding is to
a)
Get bigger animals
b)
get smaller animals
c)
create animals with desirable traits
d)
create animals with bad traits
19.
Some traits are inherited, some traits are acquired.
Language is an
Language is an
a)
inherited trait
b)
acquired trait
20.
Some traits are inherited, some traits are acquired.
tongue rolling is
tongue rolling is
a)
inherited trait
b)
acquired trait
21.
How many alleles (letters) do each person carry for a trait?
a)
1
b)
2
c)
3
d)
4
22.
How many alleles (letters) does a child get from each parent for each trait?
a)
1
b)
2
c)
3
d)
4
23.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
24.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
25.
AA and Aa always show up as
a)
dominant
b)
recessive
26.
aa always shows up as
a)
dominant
b)
recessive
27.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
28.
Which of the following is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
29.
Which of the characteristics is a lion least likely to pass on to its offspring?
a)
fur color
b)
length of tail
c)
scars on leg
d)
body size
30.
A human usually has _____ total chromosomes.
a)
6
b)
22
c)
4
d)
46
31.
The longest phase of the cell cycle
a)
prophase
b)
interphase
c)
metaphase
d)
mitosis
32.
Identify the phase of mitosis
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
33.
The process by which the nuclear material is divided equally between two new cells
a)
mitosis
b)
cancer
c)
spindle
d)
centromere
34.
the phase of mitosis in which the sister chromatids separate (pull apart) from each other
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
35.
Which is the correct order?
a)
C,D, B, A, F, E
b)
D,A,F,C,E,B
c)
B,E,C,F,A,D
d)
C,B,D,A E,F
36.
Which is Metaphase?
a)
A
b)
E
c)
C
d)
F
37.
This picture shows which process?
a)
mitosis
b)
meiosis
c)
the cell cycle
38.
This picture shows...
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
40.
This picture shows...
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
40.
This picture shows...
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
41.
The point on the chromosome where the two chromatids are held together is the
a)
centromere
b)
centriole
c)
chromosome
d)
chromatid
42.
The division of the cytoplasm following mitosis resulting into two identical copies of the originelle cell called daughter cells
a)
cytoplasm
b)
cytokenisis
c)
telophase
d)
mitosis
43.
The first stage of the cell cycle during which the cell matures and prepares to divide and copies its DNA; The stage the cell stays in the most
a)
interphase
b)
prophase
c)
metaphase
d)
anaphase
44.
A jelly-like substance found inside a cell surrounding its organelles is
a)
cytokenisis
b)
cytoplasm
c)
mitosis
d)
epithelial
45.
the uncontrolled division of cells that results in malignant growth
a)
tissues
b)
cancer
c)
mitosis
d)
anaphase
46.
Which of the following statements is true of cytokinesis
a)
takes place in plant cells only
b)
completes the cell cycle
c)
organizes DNA
d)
occurs in prophase
47.
The stage where chromosomes condese and the nucleus is visible
a)
Prophase
b)
metaphase
c)
anaphase
d)
Telephase
48.
The chromosomes line up across the middle of the cell
a)
Anaphase
b)
Interphase
c)
Prophase
d)
Metaphase
49.
Which of the following is NOT an example of mitosis?
a)
Growth
b)
Repai of damaged cells
c)
Replacement of dead cells
d)
Reproducing
50.
How many daughter cells are produced in mitosis?
a)
4 new cells
b)
2 new cells
c)
One new cell
d)
none of these
51.
Which phase comes NEXT?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
52.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have ...
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
53.
Structure B is pointing to the _____.
a)
chromosome
b)
centromere
c)
DNA
d)
chromatid
54.
What phase of mitosis is occuring in the picture?
a)
Prophase
b)
Metaphase
c)
Cytokinesis
d)
Telophase
55.
DNA will condense into...
a)
Centromeres
b)
Chromosomes
c)
Nuclei
d)
Spindle fibers
56.
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
57.
What type of "square" helps us solve genetic problems?
a)
carpenter square
b)
Mendel square
c)
Punnett square
d)
genetic square
58.
Y for yellow body is dominant over y for blue body. What alleles would produce yellow bodies?
a)
YY,yy
b)
Yy,yy
c)
YY only
d)
YY,Yy
59.
Recessive alleles are-
a)
capital
b)
lowercase
c)
both
d)
neither
60.
What would the ratio for genotypes be for this Punnett Square?
a)
2Bb:2bb
b)
2BB:2Bb
c)
1BB:2Bb:1bb
d)
4Bb
61.
Which is a true statements about this picture?
a)
Brown is recessive
b)
Brown is dominant
c)
Blue is dominant
d)
Blue is codominant
62.
What are the possible phenotypes in this punnett square?
a)
Bb, bb, BB
b)
purple, white
c)
Bb, bb
d)
light purple
63.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
64.
If B = brown hair and b = blonde hair, what is the probability of brown hair?
a)
25%
b)
50%
c)
0%
d)
75%
65.
In rabbits, black fur (B) is dominant over brown fur (b). If a rabbit has brown fur, what can you conclude about its genotype?
a)
It is BB.
b)
It is Bb
c)
It is brown
d)
It is bb.
66.
What is the phenotype of the offspring? (A-Brown hair; a-blond hair)
a)
50 % Brown Hair and 50% Blond Hair
b)
25 % Brown Hair and 75% Blond Hair
c)
75 % Brown Hair and 25% Blond Hair
d)
0% Brown Hair and 100% Blond Hair
67.
What percent of offspring will have the recessive trait?
a)
25
b)
50
c)
75
d)
100
68.
What is the probability of homozygous dominant offspring?
a)
0%
b)
100%
c)
50%
d)
25%
69.
Both parents in this Punnet square
a)
are homozygous dominant
b)
are homozygous recessive
c)
are heterozygous
d)
have blue eyes
70.
How many boxes would say BB?
a)
1
b)
2
c)
4
d)
0
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