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WorksheetsMeiosis/Genetics Review BioA
Total questions: 80
Worksheet time: 2hrs 31mins
Name
Class
Date
1.
The Law of Segregation states that alleles separate during the process of ...
a)
Mitosis
b)
Meiosis
c)
Fertilization
d)
Replication
2.
Mendel's law of segregation states that during meiosis, the alleles that control each trait separate, and only _________________ from each pair is/are passed to the offspring
a)
one allele
b)
the dominant trait
c)
two alleles
d)
the recessive trait
3.
Which of Mendel's laws states that alleles are distributed to gametes independent of one another?
a)
Law of Dominance
b)
Law of Segregation
c)
Law of Independent Assortment
d)
Law of Meiosis
4.
The letters on the TOP AND SIDE of a punnett square represent ______________.
a)
The combination of alleles in offspring.
b)
The possible alleles given by the parents following meiosis.
c)
The genotype and phenotype of offspring.
d)
The results of genetic mutations in offspring.
5.
What is another name for heterozygous?
a)
Hybrid
b)
Purebred
c)
Codominant
d)
Mixed Breed
6.
How many alleles (letters) do each person carry for a trait?
a)
1
b)
2
c)
3
d)
4
7.
How many alleles (letters) does a child get from each parent for each trait?
a)
1
b)
2
c)
3
d)
4
8.
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
9.
What are the possible genotypes for this cross?
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
10.
In watermelons, green rinds (G) are dominant to striped rinds (g). What is the genotype of a heterozygous green watermelon?
a)
GG
b)
Gg
c)
gg
d)
green
11.
Long tongues (T) are dominant to short tongues in green tree frogs. What is the probability that two frogs that are heterozygous for long tongues could produce offspring with short tongues?
a)
100%
b)
75%
c)
50%
d)
25%
12.
A diagram used to predict an outcome of a cross or breeding experiment.
a)
pedigree
b)
Punnet Square
13.
What gamete possibilities could come from this parent's genotype?
a)
AB, AB, aB, aB
b)
Ab, AB, Ab, ab
c)
Ab, Ab, Ab, Ab
d)
AB, aB, ab, aB
14.
What gamete possibilities could come from this parent's genotype?
a)
aB, ab, AB, Ab
b)
aB, Ab, AB, AB
c)
AB, aB, AB, Ab
d)
aB, ab, aB, ab
15.
What goes in box 1
a)
AABb
b)
AABB
c)
aabb
d)
AaBb
16.
What goes in box 9
a)
aBAB
b)
ABAB
c)
aBaB
d)
abab
17.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
18.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
19.
If you cross a purebred black guinea pig (BB) with a purebred white guinea pig (bb), what percentage of the offspring will be homozygous?
a)
25%
b)
100%
c)
50%
d)
0%
20.
This is an example of ___________?
a)
Incomplete dominance
b)
Co-Dominance
21.
This is an example of ___________.
a)
Incomplete Dominance
b)
Codominance
22.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
23.
This shows...
a)
Incomplete dominance
b)
Codominance
c)
Sex linked traits
d)
Dominant inheritance
24.
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
25.
A homozygous dominant brown mouse is crossed with a heterozygous brown mouse (tan is the recessive color).
a)
100 % tan
b)
100 % brown
c)
50 % brown and 50% tan
d)
75 % brown and 25 % tan
26.
Alternative forms of a gene are called
a)
Alleles
b)
Homozygous
c)
DNA
d)
Genetics
27.
Genotypes that can be determined simply by inspecting the phenotypes are
a)
homozygous dominant & heterozygous
b)
homozygous recessive & homozygous dominant
c)
codominant & homozygous recessive
d)
heterozygous & codominant
28.
The visual representation of an individual's chromosomes is a
a)
phenotype
b)
genotype
c)
karyotype
d)
stereotype
29.
Why are men 16 times more likely to be color-blind than women?
a)
to be color-blind, you must have a Y chromosome
b)
to be color-blind, all of your X chromosomes must have the gene
c)
color-blindness is caused by testosterone
d)
color-blindness is caused by the same gene as baldness
30.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?
Which genotype represents a female who is a carrier for hemophilia?
a)
XHXh
b)
XhXh
c)
XHXH
d)
XhY
31.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY
32.
If a gene is located on the X chromosome, a father will pass on the gene to
a)
all of his daughters
b)
half of his daughters
c)
all of his sons
d)
none of his offspring
33.
A male receives an X linked disorder
a)
only from his dad
b)
from his mom or his dad
c)
only from his mom
34.
A red flowered plant (RR) breeds 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%
35.
Roses..tall (T) dominant to short (t). red pink and white are possible phenotypes, pink has a heterozygous RW genotype.
P1 = Short red rose X homozygous tall white rose.
What are the parents genotypes?
a)
ttRR x TTWW
b)
TtRr x TtWw
c)
ttrr x TTRW
36.
Roses..tall (T) dominant to short (t). red pink and white are possible phenotypes, pink has a heterozygous RW genotype.
P1 = Short red rose X homozygous tall white rose (ttRR x TTWW)
What are genotypes & phenotypes of the F1 generation?
a)
TtRW - tall pink
b)
TtRW - tall red
c)
TTWW - tall white
37.
Using the dihybrid cross and key provided, what is the probability of the offspring being tall and white?
a)
9
b)
2
c)
3
d)
6
38.
What fraction of offspring from the cross AaBB x Aabb will be heterozygous for both traits?
a)
1/16
b)
4/16
c)
8/16
d)
3/16
39.
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
40.
Skin color, height and eye color are examples of:
a)
Polygenic Traits
b)
Epistasis
c)
X-Chromosome Inactivation
d)
X-linked traits (same as sex-linked)
41.
If you have a parent who has GgBb as their genotype, what are the possible alleles they could donate to their gametes?
a)
GB, Gb, gB, gb
b)
GB, GB, gb, gb
c)
Gb, Gb, Gb, GB
d)
GG, BB, gg, bb
42.
parent 1: GgBB
parent 2: ggBb
Find the gametes for parent 1.
parent 2: ggBb
Find the gametes for parent 1.
a)
GB, GB, gB, gB
b)
gB, gb, gB, gb
c)
Gg, BB, GB, GB
d)
gg, Bb, gB, gb
43.
Since the genotypes IA and IB are equally dominant this is called
a)
blending
b)
codominance
c)
incomplete dominance
44.
the genotype for O blood is a great example of a
a)
recessive genotype
b)
dominant genotype
45.
What is NOT a possible genotype for someone with type B blood?
a)
IBIB
b)
IAIB
c)
IB i
46.
What is the genotype of a person with type A blood, who had a father with type O blood?
a)
IAIB
b)
IA i
c)
IAIA
d)
ii
47.
Is it possible for a type A mother and type B father to have a type of child
a)
no
b)
yes if they are both homozygous
c)
yes if they are both heteozygous
d)
yes if there is a mutation
48.
A mother with a genotype of IA i and a father with a genotype of IBi can have children with the following blood types
a)
only type type A and type B
b)
only type AB
c)
only type A
d)
Type A, Type B, Type AB or type O
49.
How many phenotypes are there in ABO blood types?
a)
3
b)
4
c)
6
d)
12
50.
The different forms of a gene are called
a)
traits
b)
pollinators
c)
alleles
d)
hybrids
51.
An interaction where one gene masks another gene is called:
a)
Polygenic Traits
b)
Epistasis
c)
X-Chromosome Inactivation
d)
X-linked traits (same as sex-linked)
52.
Coat color in labs is an example of:
a)
Polygenic Traits
b)
Epistasis
c)
X-Chromosome Inactivation
d)
X-linked traits (same as sex-linked)
53.
B = Black, b = Chocolate. Some labs inherit black or brown fur alleles but have light fur. This graphic shows an example of...
a)
Codominance
b)
Epistasis
c)
Mendelian Dominance
d)
Polygenic inheritance
54.
If a trait shows up more commonly in men than women it is probably
a)
not inherited
b)
on the x chromosome and dominant
c)
on the x chromosome and recessive
d)
on a normal body chromosome
55.
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?
According to the Punnett square, what percentage of female offspring will have red eyes?
a)
75%
b)
25%
c)
0%
d)
100%
56.
Duchenne muscular dystrophy is a recessive x-linked disorder.
According to the Punnett square, what percentage of male offspring will have the disorder?
According to the Punnett square, what percentage of male offspring will have the disorder?
a)
0%
b)
25%
c)
50%
d)
100%
57.
Hemophilia 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%
58.
Colorblindness is a recessive x-linked trait.
Which genotype represents a male with normal vision?
Which genotype represents a male with normal vision?
a)
XNXN
b)
XYN
c)
XNY
d)
XnY
59.
Is this trait (the shaded individuals) dominant or recessive?
a)
dominant
b)
recessive
60.
What is the gender of the individual whose karyotype is seen in the image?
a)
Male
b)
Female
61.
Identical twin kittens are separated and live in DIFFERENT places. Any differences in the kittens is due to
a)
genetics
b)
environment
62.
Which of the following statements about the characteristics of organisms is correct?
a)
Genes alone determine the characteristics or organisms
b)
A combination of genes and the environment determine the characteristics of organisms.
c)
organisms have the same characteristics as their parents
d)
Environment alone determines the characteristics of organisms
63.
All female bees have the same genes. The bee larva fed a “royal jelly” will become queen bees where the bee larva fed normal nectar will become worker bees. This is describing a trait caused by _________.
a)
Genetics only
b)
Environment only
c)
Interaction of both
d)
Neither
64.
What type of inheritance is determined by multiple genes located on different chromosomes and there can be a range of possible traits? Ex: Eye Color
a)
Codominance
b)
Incomplete dominance
c)
Polygenic traits
65.
Aa is
a)
homozygous (purebred)
b)
heterozygous (hybrid)
66.
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
67.
The joining of a sperm cell and an egg cell is called...
a)
Fertilization
b)
Labor
c)
Zygote
d)
STOP ASKING ME THESE IMPOSSIBLE QUETSIONS!!
68.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
69.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
70.
What kind of cells are made in MEIOSIS?
a)
Haploid Gametes
b)
Diploid Somatic Cells
c)
Skin Cells
d)
Liver Cells
71.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
72.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
73.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
74.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
75.
When homologous chromosomes match up, they form a structure call a ___________.
a)
tetrad
b)
triad
c)
diploid
d)
gamete
76.
Crossing over helps promote
a)
male genotype
b)
genetic variation
c)
DNA replication
d)
mitosis
77.
What is another reason we need meiosis?
a)
So the offspring has genes from both parents
b)
So the offspring has genes from one parent
c)
So the offspring has genes from neither parents
d)
So the offspring makes its own genes
78.
Which stages show random orientation or independent assortment of chromosomes during meiosis?
a)
A & B
b)
B & D
c)
E & F
d)
D and I
79.
The trait of an organism that is found on a chromosome.
a)
Genotype
b)
Phenotype
c)
Allele
d)
Polyploidy
80.
the genotype codes for the
a)
allele
b)
protein
c)
phenotype
d)
chromosome
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