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WorksheetsHeredity, and Genetics
Total questions: 90
Worksheet time: 1hrs 21mins
Name
Class
Date
1.
Heredity is the passing of traits from _____________________ to _____________________
a)
predators to prey
b)
water to rain
c)
parents to offspring
d)
fungi to protists
2.
___________________________ is the study of how traits are passed on, or inherited.
a)
dominant traits
b)
ratio
c)
phenotype
d)
genetics
3.
Why did Mendel choose to study pea plants in order to learn how traits are passed from parent to offspring?
a)
Pea plants grow quickly
b)
Pea plants are ultraviolet
c)
Pea plants are rare and expensive
d)
Pea plants are take years to grow
4.
One trait that is ALWAYS present and causes the other traits to disappear is a ________________________
a)
recessive trait
b)
aggressive trait
c)
absent trait
d)
dominant trait
5.
True or False: Recessive traits are ALWAYS present
a)
True
b)
False
6.
Offspring receives two sets of _____________ (one from each parent)
a)
blue jeans
b)
genes
c)
machines
d)
pedigree
7.
_____________________ is the appearance of an organism, or how it looks
a)
phenotype
b)
ratio
c)
recessive trait
d)
heredity
8.
A ________________________ is used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
9.
______________________ is the mathematical chance that something will happen
a)
division
b)
selective breeding
c)
ratio
d)
probability
10.
_____________________ are cells that join to make offspring
a)
speed cells
b)
sex cells
c)
pea cells
d)
pedigree cells
11.
__________________ is a tool for tracing through generations of family members.
a)
Pedigree
b)
Probability
c)
Purebred
d)
Punnett Square
12.
Emily has brown hair. Which is most likely a true statement about Emily?
a)
Emily’s favorite color is brown.
b)
Emily has a parent with brown hair.
c)
Emily’s older brother has brown hair.
13.
James and his father are both great athletes. Which characteristic did James most likely learn from his father?
a)
height and weight
b)
fast swimming stroke
c)
large feet and hands
d)
muscular body structure
14.
Which characteristic would a child not inherit from one or both of its parents?
a)
freckles
b)
hair style
c)
eye color
d)
dimples
15.
Which trait does a puppy inherit from its parents?
a)
fur color and pattern
b)
obedience to commands
c)
food brand preferences
d)
affection for a specific home
16.
What should students use to identify the percent chance of a trait being passed down from a parent to its offspring?
a)
a graph
b)
a flow chart
c)
a data table
d)
a Punnett square
17.
Which statement best supports why many offspring look similar to their parents?
a)
Offspring inherit characteristics from one parent.
b)
Offspring inherit characteristics from both parents.
c)
Parents choose which characteristics to pass on to their offspring.
d)
Parents choose to change their appearance to match that of their offspring.
18.
Jane wants to become a model like her mother. Which is a learned characteristic that could help her with modeling?
a)
height
b)
curly hair
c)
blue eyes
d)
good posture
19.
Dominant or recessive?
tt
tt
a)
Dominant
b)
Recessive
20.
Dominant or recessive?
Dd
Dd
a)
Dominant
b)
recessive
c)
neither
d)
homozygous
21.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
22.
an organism's appearance or other detectable characteristic
a)
genotype
b)
phenotype
c)
genetics
d)
heterozygous
23.
You get your genes from:
a)
Department Store
b)
Parents
c)
Aunt
d)
Neighbor
24.
The physical appearance of a gene:
a)
Genotype
b)
Heredity
c)
Phenotype
d)
Allele
25.
Homozygous or heterozygous?
BB
BB
a)
Homozygous
b)
Heterozygous
26.
Dominant or recessive?
tt
tt
a)
Dominant
b)
Recessive
27.
Which of the following pairs is homozygous dominant?
a)
Hh
b)
pp
c)
HH
d)
aa
28.
Which of the following is heterozygous?
a)
Hh
b)
gg
c)
HH
d)
GG
29.
Dominant or recessive?
Dd
Dd
a)
Dominant
b)
recessive
c)
neither
d)
homozygous
30.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
31.
He is known as the father of modern day genetics.
a)
Gregory Mendel
b)
Greg Mendel
c)
Gregor Mendel
d)
Grace Mendel
32.
Which of the following alleles is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
33.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
34.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
35.
Aa is
a)
homozygous
b)
heterozygous
36.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
37.
How many parents in sexual reproduction?
a)
1
b)
4
c)
2
d)
3
38.
Chromosomes are found in the ____________ of the cell
a)
Chloroplast
b)
Nucleus
c)
Cytoplasm
d)
Mitochondria
39.
The passing of DNA from parents to offspring
a)
Generation
b)
Heredity
c)
Inheritance
d)
Traits
40.
What is a gene?
a)
An entire chromosome that codes for a trait
b)
a piece of clothing
c)
a piece of a DNA on chromosome that codes for a trait
d)
Chemical messengers in your brain that code for a trait
41.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
42.
The mathematical chance that something will happen is known as...
a)
chance
b)
luck
c)
probability
43.
In asexual reproduction there is____ parent(s).
a)
two
b)
one
44.
A couple has 6 children, all girls. If the mother gives birth to a 7th child, what is the probability that the seventh child will be a girl?
a)
7 out of 7
b)
6 out of 7
c)
1 out of 2
d)
1 out of 7
45.
A ________________________ is used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
46.
Are recessive traits shown with capital or lowercase letters?
a)
Capital
b)
Lowercase
47.
In sexual reproduction there are ________parent(s).
a)
1
b)
2
48.
The primary function of the chromosome is to...
a)
relay messages between different cells in animals.
b)
transport waste materials rapidly out of the cell.
c)
release energy by breaking down food molecules.
d)
store the genetic instructions needed to specify traits.
49.
The inherited traits of an organism are governed by
a)
leukocytes
b)
cytoplasm
c)
genes
d)
enzymes
50.
Homozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
51.
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)
both tall and short
d)
neither tall or short
52.
What is a phenotype?
a)
The expression of a trait; physical appearance.
b)
refers to the genetic makeup of an individual
c)
An organism that has the same genes for a trait (ex. TT or tt)
d)
the passing of traits from parent to offspring
53.
Purebred is another word for __________, while hybrid is another word for __________.
a)
dominant; recessive
b)
recessive; dominant
c)
homozygous; heterozygous
d)
heterozygous; homozygous
54.
___________________________ is the study of how traits are passed on, or inherited.
a)
dominant traits
b)
ratio
c)
phenotype
d)
genetics
55.
A ________________________ is used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
56.
What is a dominant allele?
a)
A trait that is always shown (capital letter)
b)
A trait that can be hidden (lower case letter)
c)
Alleles that are the same
d)
Alleles that are different
57.
What is the only Genotype that shows the RECESSIVE Phenotype?
a)
GG
b)
Gg
c)
gg
58.
What are the two genotypes that show the DOMINANT Phenotype
a)
GG, gg
b)
GG, Gg
c)
Gg, gg
59.
What is Bb?
a)
Homozygous
b)
Heterozygous
c)
Recessive
d)
Alleles
60.
The different forms of genes are known as...
a)
traits.
b)
environment.
c)
probability.
d)
alleles.
61.
Which of the following alleles is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
62.
The man who studied genetics and came up with genetics is
a)
Watson
b)
Crick
c)
Mendel
d)
Darwin
63.
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
64.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
65.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
66.
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
67.
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
68.
Which answer best describes codominant alleles?
a)
Both are equally dominant
b)
Both are equally recessive
c)
Neither are dominant or recessive
69.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
70.
Which of the following cell types is formed by meiosis?
a)
muscle cells
b)
skin cells
c)
sperm cells
d)
blood cells
71.
How many times in meiosis does the cell divided?
a)
2
b)
4
c)
3
d)
1
72.
The sex of an offspring is determined by ______________________.
a)
the mother
b)
the father
c)
the mother and the father
d)
by the environment
73.
Term for homozygous organisms that display two dominant phenotypes at the same time
a)
codominance
b)
incomplete dominance
c)
multiple alleles
d)
linked genes
74.
What is a phenotype?
a)
The expression of a trait; what you see.
b)
refers to the genetic makeup of an individual
c)
An organism that has the same genes for a trait (ex. TT or tt)
d)
the passing of traits from parent to offspring
75.
What does heterozygous mean?
a)
An organism that has the same genes for a trait (TT or tt)
b)
An organism that has different genes for a trait (Tt)
c)
When neither gene is fully dominant; offspring is a mixture of both
d)
the different forms of a trait (hair color--> brown, blonde, red
76.
An organism's appearance is known as its
a)
heredity
b)
phenotype
c)
genotype
d)
pedigree
77.
Sex cells are produced through the process of
a)
mitosis
b)
cytokinesis
c)
binary fission
d)
meiosis
78.
Are all mutations bad?
a)
Yes
b)
No
79.
Any change in the sequence of DNA is...
a)
transgenic shift
b)
Single Genotype
c)
Monohybrid Trait
d)
Mutation
80.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
81.
DNA is often considered the "______________" of life.
a)
Blueprint
b)
Mistake
c)
Swimming Pool
d)
Smelly Cheese
82.
What are the building blocks of proteins called?
a)
DNA
b)
RNA
c)
Ribosomes
d)
Amino Acids
83.
What molecule is shown in the double helix diagram shown?
a)
DAN
b)
RAN
c)
DNA
d)
RNA
84.
If you are a boy, what percent of your genes did you get from your dad?
a)
25%
b)
50%
c)
75%
d)
100%
85.
What is it called when body cells grow uncontrollably
a)
Spinal Stenosis
b)
Anemia
c)
Cancer
86.
Which of these bases does not exist in RNA?
a)
C
b)
T
c)
U
d)
A
87.
the study of heredity
a)
hair studies
b)
genetics
c)
heredetics
d)
biology
88.
What is the correct definition for the term probability?
a)
The likelihood a particular event will occur
b)
A chart that shows the possible allele combinations of offspring
c)
An organism's genetic makeup
d)
Inheritance pattern where the alleles are neither dominant nor recessive
89.
A male has which of the following chromosomes?
a)
XX
b)
X
c)
YY
d)
XY
90.
A female has which of the following chromosomes?
a)
XX
b)
X
c)
YY
d)
XY
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