Worksheets7th grade unit 4 wms
Total questions: 99
Worksheet time: 1hrs 6mins
Name
Class
Date
1.
The DNA for a cell is contained within the
a)
vacuole
b)
mitochondria
c)
nucleus
d)
cell membrane
2.
what does a nucleus do
a)
controls a cell
b)
blocks the cell
c)
controls what go's in and out of a cell
d)
makes energy for the cell
3.
what is a nucleus in
a)
animal cell
b)
plant cell
c)
both cells
d)
prokaryotic cell
4.
How many parents in sexual reproduction?
a)
1
b)
4
c)
2
d)
3
5.
Chromosomes are found in the ____________ of the cell
a)
Chloroplast
b)
Nucleus
c)
Cytoplasm
d)
Mitochondria
6.
The passing of DNA from parents to offspring
a)
Generation
b)
Heredity
c)
Inheritance
d)
Traits
7.
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
8.
In asexual reproduction there is____ parent(s).
a)
two
b)
one
9.
Are recessive traits shown with capital or lowercase letters?
a)
Capital
b)
Lowercase
10.
In sexual reproduction there are ________parent(s).
a)
1
b)
2
11.
When the allele combination is a dominant and a recessive trait together which trait will be seen?
a)
Dominant
b)
Recessive
c)
none
d)
both
12.
The inherited traits of an organism are governed by
a)
leukocytes
b)
cytoplasm
c)
genes
d)
enzymes
13.
Homozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
14.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both
15.
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
16.
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
17.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
18.
Aa is
a)
homozygous (purebred)
b)
heterozygous (hybrid)
19.
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
20.
When there is an error during DNA replication the result is a
a)
do-over
b)
penalty
c)
genetic mutation
21.
Eye Color
a)
Acquired Trait
b)
Inherited Trait
c)
Both
22.
Learning to skateboard
a)
Acquired Trait
b)
Inherited Trait
c)
Both
23.
The color of a labradoodle's fur
a)
Acquired Trait
b)
Inherited Trait
c)
Both
24.
Which of the following alleles is homozygous (purebred) recessive?
a)
Tt
b)
tt
c)
TT
d)
t
25.
T = tall an t = short
What is the phenotype for Tt?
What is the phenotype for Tt?
a)
short
b)
tall
c)
medium sized
d)
neither tall or short
26.
How many alleles (letters) do each person carry for a trait?
a)
1
b)
2
c)
3
d)
4
27.
How many alleles (letters) does a child get from each parent for each trait?
a)
1
b)
2
c)
3
d)
4
28.
Which of the following is homozygous dominant?
a)
Yy
b)
Y
c)
yy
d)
YY
29.
In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?
a)
rr
b)
R
c)
RR
d)
RR or Rr
30.
different forms of the same gene are called
a)
alleles
b)
genetics
c)
p generation
d)
law of segregation
31.
the physical characteristics that result from genes
a)
phenotype
b)
genotype
c)
heterozygous
d)
homozygous
32.
What is a recessive 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
33.
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
34.
Dominant or recessive?
tt
tt
a)
Dominant
b)
Recessive
35.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
36.
Dominant or recessive?
Dd
Dd
a)
Dominant
b)
recessive
c)
neither
d)
homozygous
37.
What genotype would a child have to have in order to be left handed? R is dominant for right handed.
a)
rr
b)
Rr
c)
RR
38.
Which is an example of a learned behavior?
a)
blinking
b)
riding a bike
c)
swallowing
d)
crying
39.
Which will make a hitchhiker's thumb?
a)
hH
b)
Hh
c)
HH
d)
hh
40.
Which gene is heterozygous?
a)
TT
b)
Tt
c)
rr
d)
YY
41.
The passing of traits from parent to offspring
a)
genetics
b)
heredity
c)
alleles
d)
phenotype
42.
Any characteristic that can be passed from parent to offspring
a)
trait
b)
gene
c)
monohybrid
d)
heredity
43.
Alternate forms of genes are called ___
a)
genotypes
b)
phenotypes
c)
alleles
d)
recessive
44.
The allele that will show up in phenotype when both dominant and recessive alleles are present is the ___________
a)
dominant allele
b)
recessive allele
c)
neither
45.
the allele that only shows up in phenotype if no dominant alleles are present is the ___
a)
dominant allele
b)
recessive allele
c)
neither
46.
the allele that is represented by a capital letter
a)
dominant
b)
recessive
47.
the allele that is represented by a lowercase letter
a)
dominant
b)
recessive
48.
The gene combination of a trait is called the _____________ (example: Gg)
a)
punnet square
b)
genotype
c)
phenotype
d)
allele type
49.
The physical feature that the organism shows is called the __________ (example: tall, short, blue, brown)
a)
heredity
b)
genotype
c)
phenotype
d)
allele type
50.
A gene combination that involves 2 of the same alleles is called __________ (example: RR or rr)
a)
homozygous
b)
heterozygous
c)
dominant
d)
recessive
51.
A gene combination involving 2 different alleles is called ____________ (example: Rr)
a)
homozygous
b)
heterozygous
c)
dominant
d)
recessive
52.
What phenotype will an individual have if their genotype is Rr?
a)
the recessive phenotype
b)
the dominant phenotype
c)
neither
53.
What phenotype will an individual have if their genotype is rr?
a)
the recessive phenotype
b)
the dominant phenotype
c)
neither
54.
What phenotype will an individual have if their genotype is RR?
a)
dominant phenotype
b)
recessive phenotype
c)
neither
55.
What phenotype will an individual have if they have the heterozygous genotype?
a)
recessive phenotype
b)
dominant phenotype
c)
neither
56.
Which of the following represents a heterozygous genotype?
a)
DD
b)
Dd
c)
dd
57.
Which of the following represents a homozygous dominant genotype?
a)
PP
b)
Pp
c)
pp
58.
Which of the following represents a homozygous recessive genotype?
a)
RR
b)
Rr
c)
rr
59.
Black hair is dominant to brown hair. Which genotype will have brown hair?
a)
BB
b)
Bb
c)
bb
d)
both Bb and bb
60.
What characteristic would a child not inherit from parents?
a)
freckles
b)
eye color
c)
hair style
d)
dimples
61.
What is Asexual reproduction
a)
When a cell splits into two
b)
when something new is made
c)
all of the above
d)
none of the above
62.
What is sexual reproduction
a)
When something new is made
b)
When a cell splits into two
c)
all of the above
d)
none of the above
63.
How do humans reproduce
a)
sexually
b)
asexually
c)
cristalize
d)
all of the above
64.
How do single celled organisms reproduce
a)
sexualy
b)
asexualy
c)
cristalize
d)
none of the above
65.
can humans reproduce asexually
a)
yes
b)
no
66.
reproduction is when 1 or 2 organisms produce offspring
a)
true
b)
false
67.
needs 2 parents
a)
sexual
b)
asexual
68.
Does Sexual reproduction produce uniform or diverse offspring?
a)
Uniform
b)
Diverse
c)
Neither
69.
Sexual reproduction is where you have 2 parents with 50/50 dna for the offspring.
a)
true
b)
false
70.
What is uniform offspring?
a)
Offspring that is identical to its parents. Asexual.
b)
Offspring that is similar to its parents. Sexual.
c)
Offspring that is identical to its parents. Sexual.
d)
Offspring that is similar to its parents. Asexual.
71.
What is diverse offspring?
a)
Offspring that is identical to its parents. Asexual
b)
Offspring that is similar to its parents. Asexual
c)
Offspring that is identical to its parents. Sexual
d)
Offspring that is similar to its parents. Sexual
72.
What is reproduction?
a)
When you make something.
b)
When an organism(s) makes an offspring and passes down some or all of its traits.
c)
When a baby is born from one parent.
d)
When a baby is born from two parents.
73.
What is sexual reproduction?
a)
When two organism reproduce to make a diverse offspring that looks exactly like its parents
b)
When one parent reproduces an exact copy of itself.
c)
When five organisms reproduce to make five offsprings that look different than the parents.
d)
When two organisms reproduce to make an offspring that's diverse and looks different than the parent.
74.
What is asexual reproduction?
a)
When one organism reproduces and makes a copy of itself, or a uniform offspring.
b)
When one organism reproduces and makes a copy of itself, or a uniform offsping
c)
When one organism reproduces and makes a copy of itself, or a diverse offspring.
d)
When two organism reproduces and makes a copy of itself, or a uniform offspring.
75.
A mode of reproduction by which an organism arises from a single organism and inherit the identical genes of that parent
a)
Asexual Reproduction
b)
Sexual Reproduction
c)
Genetic Variation
d)
Alleles
76.
A mode of reproduction in which an organism arises from two organisms and inherits half of its DNA from each parent
a)
Sexual Reproduction
b)
Asexual Reproduction
c)
Cloning
d)
Fragmentation
77.
Which of the following is a characteristic of a disadvantage of Sexual Reproduction?
a)
diverse offspring
b)
identical to parent
c)
time and energy
d)
adaptability
78.
What is a characteristic of sexual reproduction?
a)
diverse offspring
b)
identical offspring
c)
faster than asexual reproduction
d)
requires no energy
79.
What is an advantage of sexual reproduction?
a)
smaller populations
b)
cannot adapt easily
c)
adapts easily to new environments
d)
requires no energy
80.
All of the offspring of an organism have the same genetic material, which is identical to the parent organism?
a)
makes its own food
b)
goes away
c)
live in a marine habitat
d)
reproduces asexually
81.
Which way of reproducing is quicker?
a)
Asexual
b)
Sexual
c)
Regeneration
d)
Meiosis
82.
Most single cell organisms reproduce in which way?
a)
asexual
b)
sexual
c)
Fission
d)
Budding
83.
Which of the following is a disadvantage for sexual reproduction?
a)
a lot of time and energy is required for making gametes and finding mates
b)
offspring can be produced more quickly than by asexual means
c)
the genetic diversity makes organisms respond differently to environmental changes
d)
the offspring are genetically different
84.
What type of reproduction makes uniform offspring?
a)
sexual
b)
asexual
85.
Compare & Contrast
Sexual VS Asexual
Sexual VS Asexual
a)
both only require one parent
b)
sexual creates diverse offspring, and asexual makes uniform
c)
sexual reproduction have larger populations
d)
both require no special cells
86.
Which type of reproduction is faster?
a)
Asexual
b)
Sexual
87.
The offspring from asexually reproduced organisms are?
a)
Different than their parents
b)
Identical to parents
c)
Like a combination from both parents
d)
A different species
88.
If two organisms reproduce sexually, then their offspring will exhibit a genetic makeup that is -
a)
identical to only one parent
b)
identical to all of its siblings
c)
a unique combination of traits
d)
the recessive traits of each parent
89.
When comparing the offspring of sexually and asexually reproducing organisms, we would expect the genetic material (DNA) of the sexually reproducing organism to -
a)
contain fewer mutations
b)
be lesser in quantity
c)
be simpler overall
d)
show more variation
90.
Which of the following elements is required in an organic compound?
a)
nitrogen
b)
oxygen
c)
carbon
d)
sodium
91.
The compound PO4 is...
a)
inorganic
b)
organic
92.
The compound CHO is...
a)
inorganic
b)
organic
93.
Is NaCl (table salt) a Organic or Inorganic Compound?
a)
Inorganic
b)
Organic
94.
Which compound is inorganic?
a)
Glucose (C₆H₁₂O₆)
b)
Ethane (C₂H₆)
c)
Carbon Dioxide (CO₂)
d)
Stearic Acid (C₁₈H₃₆O₂)
95.
The compound Fe2O is...
a)
inorganic
b)
organic
96.
Which of the following formulas is inorganic?
a)
CHO
b)
CH
c)
SiO
d)
CHCOOH
97.
Which of the following is the best example of work being done.
a)
doing homework
b)
lifting a box
c)
pushing a stationary box
d)
holding a box
98.
A 5000N block is lifted 10 m. How much work was done?
a)
50000 J
b)
5000 J
c)
500 J
d)
50 J
99.
In which of these cases is work being done?
a)
A student sleeps
b)
A student pushes a locked door that does not move
c)
a student carries his chair into another room
d)
A student sits on the carpet
100 %
