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WorksheetsGenetics AHS
Total questions: 65
Worksheet time: 2hrs 24mins
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.
B=brown eyes
b= blue eyes
What is true about these two brothers that have brown eyes:
One has genotype BB the other Bb.
b= blue eyes
What is true about these 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
9.
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%
10.
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
11.
Where is DNA in a eukaryotic cell?
a)
Cytoplasm
b)
Cell membrane
c)
Nucleus
d)
Vacuole
12.
Which of the following best describes a DNA molecule?
a)
double helix
b)
not present in plants
c)
found in non-living things
d)
DNA is an element on the periodic table
13.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both
14.
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
15.
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
16.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
17.
What gender has an X and a Y chromosome?
a)
male
b)
female
c)
transgender
d)
all of the above
18.
What is the cause of some traits "skipping" a generation?
a)
dominant traits
b)
recessive traits
c)
mutations
d)
natural selection
19.
Who is considered the "father of genetics"?
a)
Gregor Mendel
b)
Reginald Punnett
c)
James Watson
d)
Justin Bieber
20.
The scientific study of heredity is ____.
a)
Genetics
b)
Punnett squares
c)
Inheritance
d)
Biology
21.
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
22.
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
23.
Some traits are inherited, some traits are acquired.
Language is an
Language is an
a)
inherited trait
b)
acquired trait
24.
Some traits are inherited, some traits are acquired.
tongue rolling is
tongue rolling is
a)
inherited trait
b)
acquired trait
25.
The image you see is a mammoth. Which trait most suggests that the mammoth was adapted to live in a cold climate?
a)
its thick, furry coat
b)
its long, flexible trunk
c)
its sharp, curved tusks
d)
its broad, powerful body
26.
Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.
a)
DNA
b)
protein
c)
RNA
d)
glucose nucleic acid (GNA)
27.
How many alleles (letters) do each person carry for a trait?
a)
1
b)
2
c)
3
d)
4
28.
How many alleles (letters) does a child get from each parent for each trait?
a)
1
b)
2
c)
3
d)
4
29.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
30.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both
31.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
32.
T - tall and t = short
In the punnett square below, what belongs in the missing square
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
33.
AA and Aa always show up as
a)
dominant
b)
recessive
34.
aa always shows up as
a)
dominant
b)
recessive
35.
Aa is
a)
homozygous
b)
heterozygous
36.
What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?
a)
0 in 4
b)
1 in 4
c)
2 in 4
d)
4 in 4
37.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
38.
Which of the following is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
39.
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
40.
Where is DNA in a eukaryotic cell?
a)
Cytoplasm
b)
Cell membrane
c)
Nucleus
d)
Golgi
41.
Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.
a)
DNA
b)
protein
c)
RNA
d)
glucose nucleic acid (GNA)
42.
A human usually has _____ total chromosomes.
a)
6
b)
22
c)
4
d)
46
43.
Among the following, the term that includes the others is ___.
a)
interphase
b)
nuclear division
c)
mitosis
d)
cell cycle
44.
The longest phase of the cell cycle
a)
prophase
b)
interphase
c)
metaphase
d)
mitosis
45.
Identify the phase of mitosis
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
46.
Which phase comes NEXT?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
47.
The process by which the nuclear material is divided equally between two new cells
a)
mitosis
b)
cancer
c)
spindle
d)
centromere
48.
the phase of mitosis in which the sister chromatids separate (pull apart) from each other
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
49.
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
50.
Which is Metaphase?
a)
A
b)
E
c)
C
d)
F
51.
This picture shows which process?
a)
mitosis
b)
meiosis
c)
the cell cycle
52.
This picture shows...
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
53.
This picture shows...
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
54.
The point on the chromosome where the two chromatids are held together is the
a)
centromere
b)
centriole
c)
chromosome
d)
chromatid
55.
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
56.
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
57.
A jelly-like substance found inside a cell surrounding its organelles is
a)
cytokenisis
b)
cytoplasm
c)
mitosis
d)
epithelial
58.
Contains the genetic material and serves as the control center of the cell
a)
nuclear membrane
b)
spindle fibers
c)
nucleus
d)
telophase
59.
A duplication process of cells
a)
mitosis
b)
metaphase
c)
telophase
d)
prophase
60.
How many autosomes(total) are in your skin cells?
a)
44
b)
46
c)
22
d)
23
61.
How many sex chromosomes do you have?
a)
too many
b)
2
c)
44
d)
46
62.
Which structure(s) are considered to be haploid cells?
a)
Sperm only
b)
Egg only
c)
Zygote only
d)
Both Sperm and Egg
63.
the uncontrolled division of cells that results in malignant growth
a)
tissues
b)
cancer
c)
mitosis
d)
anaphase
64.
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
65.
The stage where chromosomes condese and the nucleus is visible
a)
Prophase
b)
metaphase
c)
anaphase
d)
Telephase
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