Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Genetics

Total questions: 57

Worksheet time: 47mins

Name
Class
Date
1.
Which of the following crossover events would be most difficult to detect in offspring?
a)
A crossover occurring in the region between gene A and G
b)
A crossover occurring in the region between gene G and T
c)
A crossover occurring in the region between gene T and B
d)
A crossover occurring in the region between gene A and T
2.
A wide range of phenotypic variations occur in the trait for human height.  Which of the following accounts for these variations?
a)
Polygenic Inheritance
b)
Codominance
c)
Incomplete dominance
d)
Multiple Alleles
3.
Map relative position of the four genes on a chromosome from the data on crossover frequencies.
a)
ABCD
b)
ADCB
c)
CABD
d)
CBAD
4.
Examine the image.  Which of the following would be the respective autosomal chromosome count for each organism?
a)
46, 48, 50, 78
b)
44, 46, 48, 76
c)
23, 24, 25, 39
d)
92, 96, 100, 156
5.
The pedigree shown indicates the expression pattern of VHL in a specific family. Genetic counselors told the affected female that she and her non-carrier husband had a 50% chance of producing children with VHL.  Based on this information, which of the following best describes the inheritance pattern for this disorder?
a)
X-linked recessive
b)
Incomplete dominance
c)
Autosomal dominance
d)
Autosomal recessive
6.
Australian Shepherds are a breed of dogs whose coat color is directly impacted by two different genes. The gene that determines basic coat color exhibits a dominant allele (B) for black coat color and a recessive allele (b) for red coat color. Additionally, these dogs can have a solid coat color (mm) or a mixed pattern coat color called merle (Mm). The homozygous dominant coat color is called a lethal white (MM) which produces pups that are deaf and blind. What is the probability that two red Australian shepherds will produce a black pup?
a)
0
b)
1/4
c)
1/2
d)
3/4
7.
The Australian Shepherds of America Club discourages from mating two merles. Which of the following best explains why merle to merle matings are undesirable?
a)
The cross has the probability of producing litters with 50% solid coat color pups.
b)
The cross produces all homozygous recessive pups
c)
The cross has the probability of producing litters with 25% merle coat pups.
d)
The cross has a 25% chance of producing homozygous dominant pups.
8.
The diagram depicts an experiment in which ice packs were strapped to a hair-free patch on a species of rabbits. The new hair that grew in the patch exposed to cold was black.Which of the following statements is supported by the results of this experiment?
a)
The rabbits’ genomes have a flexible response to environmental stimuli.
b)
The rabbits change their phenotypes to attract mates.
c)
Rabbits whose coat color does not change represent a more evolved species
d)
Increased ultraviolet light can alter the genome of these rabbits.
9.
In horses, the grey coat color (G) is dominant to non-grey coat color (g). Additionally, some horses have a genetic disorder called hyperkalemic periodic paralysis or HYPP. HYPP is an inherited autosomal dominant disorder that affects the sodium channels in muscle cells. HYPP (H) is dominant to the normal condition (h). If a non-grey, normal stallion sires a foal that is not grey and does not have HYPP, which of the following genotypes are possible genotypes for the mother?
a)
GGhh and ggHH
b)
ggHH and GgHh
c)
GGHH and GGHh
d)
GgHh and gghh
10.
Many plant species are capable of producing offspring through self-pollination. In self-pollination, gametes formed by meiosis and are used to fertilize egg cells from the same plant. Which of the following statements describes why offspring produced through self-pollination can exhibit genetic diversity?
a)
The genes found in each gamete will be genetically identical to one another.
b)
The self-pollination gametes are produced through meiosis and have undergone DNA replication.
c)
Homologous chromosomes were sorted into different gamete cells causing separation of allele pairs.
d)
Gametes involved in self-pollination only travel a short distance prior to becoming involved in fertilization.
11.
What is another name for "true breeding?"
a)
Heterozygous
b)
Purebred
c)
Hybrid
d)
Cross Pollinating
12.
Gregor Mendel's "P" Generation consisted of plants which were ______________ with opposite traits.
a)
Purebred
b)
Hybrid
c)
Heterozygous
d)
Incompletely Dominant
13.
All offspring plants in the F1 generation were purple because purple is the ______________ trait.
a)
Heterozygous
b)
Homozygous
c)
Dominant
d)
Recessive
14.
Which of the following does NOT describe the flowers in the F1 Generation?
a)
Hybrid
b)
Heterozygous
c)
Purebred
15.
Gregor Mendel's "P" generation consisted of purple flower plants crossed with white flower plants. What were the results of this cross?
a)
All purple flower offspring
b)
All white flower offspring
c)
Some purple flowers and some white flowers
16.
Which of the following best explains the results of letting the F1 purple hybrids self pollinate?
a)
100% Purple
b)
100% White
c)
50% Purple, 50% White
d)
75% Purple, 25% White
17.
A __________ is a segment of DNA that codes for a particular protein, which leads to a particular trait.
a)
Gene
b)
Allele
c)
Codon
d)
Nucleotide
18.
The different forms of a gene are known as _____________.
a)
Codons
b)
Proteins
c)
Alleles
d)
Nucleotides
19.
How many alleles do you get from each parent?
a)
1
b)
2
c)
23
d)
46
20.
Which of Mendel's laws states that alleles are separated during meiosis?
a)
Law of Dominance
b)
Law of Segregation
c)
Law of Independent Assortment
d)
Law of Meiosis
21.
According to the Law of Segregation, alleles are separated during the process of _____________.
a)
Mitosis
b)
Meiosis
c)
Osmosis
d)
Translation
22.
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
23.
Which of the following is an example of a GENOTYPE?
a)
25%
b)
Blue
c)
1:2:1
d)
Bb
24.
Which of the following is an example of a PHENOTYPE?
a)
25%
b)
Blue
c)
1:2:1
d)
Bb
25.
Which of the following is an example of a homozygous dominant genotype?
a)
RR
b)
Rr
c)
rr
26.
Which of the following is an example of a homozygous recessive genotype?
a)
RR
b)
Rr
c)
rr
27.
Which of the following is an example of a heterozygous genotype?
a)
RR
b)
Rr
c)
rr
28.
What is the FUNCTION of the visual tool seen in the image?
a)
Identifies the location of a gene.
b)
Determines the DNA sequence of an organism.
c)
Predicts the possible results of a genetic cross.
d)
Tests for the presence of dominant alleles.
29.
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.
30.
Geneticists use ___________ to represent _____________, the different forms of a gene.
a)
Numbers ; Alleles
b)
Letters ; Factors
c)
Letters ; Alleles
d)
Numbers ; Factors
31.
If a person has a genotype of Rr, what do you know about their gametes (sex cells)?
a)
They will all carry the R allele.
b)
They will all carry Rr.
c)
Some will carry R, some will carry r.
d)
They will all carry the r allele.
32.
What is another name for heterozygous?
a)
Hybrid
b)
Purebred
c)
Codominant
d)
Mixed Breed
33.
The probability that a human sperm cell will carry a Y chromosome is:
a)
0%
b)
25%
c)
50%
d)
100%
34.
Which is the genotype of a male with a dominant sex-linked trait carried on the X chromosome? 
a)
XDY
b)
XDXD
c)
XDYD
d)
XdY
35.
A rabbit with white fur was crossed with a rabbit with black fur.  The cross produced offspring with black and white fur. This type of inheritance is known as
a)
dihybrid recessive
b)
dominance
c)
codominance
d)
multiple alleles
36.
1.  People with Type AB blood have two dominant alleles, IA and IB.  Since the two alleles are equally dominant, they are called
a)
multiple alleles
b)
incomplete alleles
c)
codominant alleles
d)
sex linked alleles
37.
Which two genotypes would have the same blood type?
a)
IAIA and IAi
b)
IBIB and IAIB
c)
IBi and ii
d)
IAIA and IAIB
38.
5.  Hemophilia is more common in males than in females because
a)
fathers can only pass the allele for hemophilia to their sons
b)
mothers cannot pass the allele for hemophilia to their daughters
c)
the allele for hemophilia is dominant and located on the Y chromosome
d)
the allele for hemophilia is recessive and located on the X chromosome
39.
7.  A baby has type AB blood.  What could the genotypes of the baby’s parents be?
a)
IAi x ii
b)
IBIB x IBIB
c)
IAIA x IBi
d)
ii x ii
40.
Look at Figure 2 above.  The genotype of individual 1 could be
a)
EE only
b)
Ee only
c)
ee only
d)
EE or Ee
41.
7.  The Figure 3 pedigree shows a disease found equally in males and females and that all children who had the disease had at least one parent who also had the disease.  The gene coding for the disease is 
a)
autosomal recessive
b)
autosomal dominant
c)
sex-linked recessive
d)
sex-linked dominant
42.

Red and White are incomplete dominant in snapdragons, so if we cross two heterozygous snapdragons what is the probability that the offspring would have a red phenotype?

a)

0%

b)

25%

c)

50%

d)

75%

43.

If the offspring of two orange salamanders included yellow, red, and orange individuals, what mode of inheritance is that?

a)

Complete Dominance

b)

Incomplete Dominance

c)

Codominance

d)

Multiple Alleles

44.

This picture shows what the red blood cell of someone with sickle cell anemia. This disorder is carried on the X chromosome and is most common in sub-saharan populations. What type of inheritance pattern must it follow?

a)

codominance

b)

sex-linked inheritance

c)

multiple allele inheritance

d)

incomplete dominance

45.
ABO blood types are an example of what type of inheritance?
a)
multiple alleles
b)
incomplete dominance
c)
polygenic inheritance
d)
genetic mutations
46.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
47.
How much of your DNA do you inherit from your mom?
a)
10%
b)
25%
c)
50%
d)
it varies
48.
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
49.

Genes are found on _____.

a)

DNA

b)

traits

c)

alleles

d)

chromosomes

50.

Being a "carrier" or a "hybrid" is the same as ___?

a)

heterozygous

b)

homozygous

c)

vector

d)

genotype

51.

In chi-square calculations the degrees of freedom (df) is equal to...

a)

the total number of phenotypes minus 1

b)

the total number of phenotypes minus 2

c)

the total number of genotypes minus 1

d)

the total number of genotypes minus 2

52.

In humans, B is the allele for brown eyes and b is the allele for blue eyes. Two brothers both have brown eyes, but one of them has both the B and b  alleles while the other only has B  alleles. Which statement is true about the brothers?

a)

They have the same genotype and phenotype.

b)

They have different phenotypes and genotypes.

c)

They have the same phenotype but different genotypes.

d)

They have the same genotype but different phenotypes.

53.

In snapdragons, the allele for red flower color (CR ) is incompletely dominant to the allele for white flower color (CW ). Snapdragons that are heterozygous for flower color have a pink phenotype.

Which of the following crosses could yield all three flower color phenotypes (red, white, and pink) among the offspring?

a)

CRCR × CWCW

b)

CRCR × CRCW

c)

CRCW × CRCW

d)

CRCW × CWCW

54.

In Holstein cattle the allele for black hair color (B) is dominant over the allele for red hair

color (b), and the allele for polled (P), or lacking horns, is dominant over the allele for having

horns (p).


What is the expected phenotypic ratio of the offspring of a BbPp × BbPp cross if these alleles

sort independently?

a)

16 black/polled : 0 black/horned : 0 red/polled : 0 red/horned

b)

12 black/polled : 0 black/horned : 0 red/polled : 4 red/horned

c)

4 black/polled : 4 black/horned : 4 red/polled : 4 red/horned

d)

9 black/polled : 3 black/horned : 3 red/polled : 1 red/horned

55.

Which of these is the genotype for a polygenic trait with multiple alleles?

a)

AA

b)

AaAaAAaa

c)

AaBbCcDD

d)

hair color

56.
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?
Hint: Use a punnett square...
a)
0%
b)
25%
c)
50%
d)
100%
57.
How many alleles does an individual have for each trait?
a)
1
b)
2
c)
3
d)
4

Similar Resources on Wayground

Evolution Review for GMAS

53 questions

Evolution Review for GMAS

quiz

Worksheet

•

7th Grade - University

CCHS PAP BIO Biochemistry Unit Test Review

61 questions

CCHS PAP BIO Biochemistry Unit Test Review

quiz

Worksheet

•

9th - 10th Grade

Animal Science and Whats A Animal 2022 M

60 questions

Animal Science and Whats A Animal 2022 M

quiz

Worksheet

•

10th - 12th Grade

MB Tri 1 Exam Review

56 questions

MB Tri 1 Exam Review

quiz

Worksheet

•

9th - 12th Grade

Cells and Biomolecules

55 questions

Cells and Biomolecules

quiz

Worksheet

•

9th - 12th Grade

Laboratory Equipment

52 questions

Laboratory Equipment

quiz

Worksheet

•

10th - 12th Grade

Ch4- Ecosystems Review

60 questions

Ch4- Ecosystems Review

quiz

Worksheet

•

9th - 11th Grade

Biology Final Exam Review 2

55 questions

Biology Final Exam Review 2

quiz

Worksheet

•

9th - 12th Grade