wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Heredity (H)

Total questions: 85

Worksheet time: 2hrs 20mins

Name
Class
Date
1.
What is heredity?
a)
Segments of DNA found in chromosomes
b)
The combination of alleles that you inherit
c)
The passing of material from parents to offspring
2.
An organism's appearance or other detectable characteristic
a)
genotype
b)
phenotype
c)
allele
d)
genetic variation
3.
An example of how several genes influence one trait is
a)
eye color and fur color in a white tiger
b)
shades of eye color in humans
c)
whether a pea seed is smooth or wrinkled
d)
whether a pea flower is purple or white
4.
Punnet squares are used to predict 
a)
chromosomes for parents
b)
chromosomes for offspring
c)
possible genotypes of offspring
d)
possible genotypes for parents
5.
One of the alternative forms of a gene that governs a characteristic.
a)
Allele
b)
genetic variation
c)
genotype
d)
characteristic
6.
P=purple flower color
p=white flower color, if a flower has a genotype Pp its phenotype would be
a)
white
b)
purple
c)
violet
d)
pink
7.
B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 
a)
0%
b)
25%
c)
50%
d)
75%
8.
In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?
a)
0%
b)
25%
c)
50%
d)
75%
9.
What is the probability of heterozygous offspring?
a)
25%
b)
50%
c)
0%
d)
100%
10.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
11.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
12.
Which choice best represents the genotype of this cross?
a)
1 Yy: 2 yy: 0 YY
b)
2 Yy: 2 yy: 0 YY
c)
3 Yy: 1 yy: 0 YY
d)
1 Yy: 3 yy: 0 YY
13.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
14.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
15.
Which of the following is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
16.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
17.
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
18.

What goes in box 3

a)

Aabb

b)

AABB

c)

AAbb

d)

aaBb

19.
What genotype is missing from this Punnett Square?
a)
RrYy
b)
RRYY
c)
rryy
d)
RrYY
20.
Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?
a)
9/16
b)
3/16
c)
1/16
d)
16/16
21.
A male beetle has the genotype Ttbb. If this beetle mates with a female with genotype TTBb, what is the chance their offspring will have the genotype TtBb?
a)
3/16
b)
4/16
c)
8/16
d)
12/16
22.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
23.
This is an example of ___________?
a)
Incomplete dominance
b)
Co-Dominance
24.
This is an example of ___________.
a)
 Incomplete Dominance
b)
 Codominance
25.
What type of inheritance do two alleles have if their traits blend together? 
a)
Incomplete Dominance
b)
Co-Dominance
26.
A tall plant (TT) is crossed with a short plant (SS) and a medium plant (TS) results. This is what type of inheritance pattern?
a)
Incomplete Dominance
b)
Codominance
27.
This type of inheritance pattern is a MIXTURE of both traits.
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
28.
If you cross a black chicken with a white chicken, only checkered chickens would be produced.  What kind of inheritance pattern does this follow?
a)
incomplete Dominance
b)
Co-Dominance
29.

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).


Cross a red flower with a speckled flower. What is the phenotypic ratio?

a)

2 red, 2 speckled

b)

2 red, 2 blue

c)

2 blue, 2 speckled

30.
this image is an example of
a)
codominance
b)
dominance
c)
incomplete dominance
31.

A brown rooster and a white chicken produced this speckled offspring:

a)

Incomplete dominance

b)

Codominance

c)

Complete dominance

32.

A pink flower and a white flower produced this offspring:

a)

Incomplete dominance

b)

Codominance

c)

Complete dominance

33.

In snapdragons, flower color exhibits incomplete dominance. When crossed, red (RR) and white (WW) flowers make pink flowers (RW). Complete a cross between a pink flower and a red flower. Find the phenotype ratio.

a)

1 red: 1 pink

b)

4 red: 0 pink

c)

4 pink: 0 white

d)

1 pink: 1 white

34.

A purple-flowered plant (PP) is crossed with a white flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have blue (PW) flowers?

a)

0%

b)

25%

c)

50%

d)

100%

35.

The different forms of a gene are called ---

a)

traits

b)

hybrids

c)

alleles

36.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
37.
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
38.
How many alleles does someone have for a genotype?
a)
1
b)
2
c)
3
d)
4
39.

Trait determined by more than one gene, sometimes hundreds of genes.

a)

polygenic

b)

multiple alleles

c)

codominant

d)

sex linked

40.

Three or more alternative forms of a gene that can occupy the same locus.

a)

multiple alleles

b)

codominant

c)

polygenic

d)

incomplete dominance

41.
There are many variations in skin color that can be inherited based on the combination of alleles that you inherit from your mom and dad.  This bell curve distribution is an example of
a)
incomplete dominance
b)
codominance
c)
blocked traits
d)
polygenic inheritance
42.
The study of heredity 
a)
Heredology
b)
Science
c)
Genetics
d)
DNA
43.
A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:
a)
all black
b)
all white
c)
all gray
d)
speckled black and white
44.
What did Gregor Mendel use to discover the principles that rule heredity?
a)
Pea Plant
b)
Pigeons
c)
Pear trees
d)
Photosynthesis
45.
What do we call the table used to calculate the probability of an offspring's genotype?
a)
Punnett square
b)
Venn diagram
c)
Golden ratio
d)
Fibonacci sequence
46.
Heredity is the passing of traits from _____________________ to _____________________
a)
predators to prey
b)
water to rain
c)
parents to offspring
d)
fungi to protists
47.

What causes the different fur colors in Arctic fox?

a)

Genes only

b)

genes and temperature

c)

environment only

48.

Which horse color shows incomplete dominance?

a)

A

b)

B

c)

C

49.

In this cross, what percent of the offspring will show both dominant traits in the phenotype?

a)

100%

b)

25%

c)

50%

d)

75%

50.

What fraction of the offspring will show both dominant traits?

a)

3/16

b)

1/16

c)

9/16

d)

3/16

51.

The flowers of hydrangeas show different colors due to ________________.

a)

temperature changes

b)

pH changes in the soil

c)

incomplete dominance

d)

codominance

52.

What is the genotypic ratio for this cross?

a)

4:0

b)

2:2

c)

3:1

d)

1:2:1

53.

In humans, the haploid number of chromosomes is ____.

a)

23

b)

46

c)

69

d)

92

54.

Which of the following is the best definition for MEIOSIS?

a)

the process of two haploid cells uniting

b)

the counting of chromosomes within a diploid cell

c)

a two-step process that reduces the number of chromosomes in half such that there is only one copy of all the chromosomes

d)

the equational division of a cell into two identical copies

55.

True or False? Before cells undergo meiosis they pass through interphase first.

a)

true

b)

false

56.

What is unique to Prophase I- is that the duplicated chromosomes pair up to form _______.

a)

a centrosome

b)

a tetrad

c)

the mitotic spindle

d)

sister chromatids

57.

In which stage of MEIOSIS does crossing over occur? (The exchange of genetic material between chromosomes in a tetrad.)

a)

Anaphase I

b)

Metaphase I

c)

Prophase I

d)

Telophase I

58.

In Metaphase I, tetrads line up along the _______.

a)

mitotic spindle

b)

centrosomes

c)

equatorial plane

d)

contractile ring

59.

In Anaphase I, the _________ are separated by the pulling of the spindle fibers to opposite poles of the cell.

a)

homologous pairs of chromosomes

b)

sister chromatids

c)

centromeres

d)

centrosomes

60.

In Metaphase II, _________ line up on equatorial plane.

a)

homologous pairs of chromosomes

b)

single chromosomes (made up of 2 sister chromatids)

c)

tetrads

d)

centrosomes

61.

How many cells are formed at the end of Meiosis II?

a)

2

b)

3

c)

4

d)

8

62.

Which of the following are CORRECT observations about the differences between MITOSIS and MEIOSIS? (Check all that apply.)

a)

Mitosis produces cells that identical to the parent cell.

b)

Meiosis produces cells that have half the number of chromosomes as the parent cell.

c)

All cells go through INTERPHASE as part of the cell cycle, whether it goes to mitosis or meiosis next.

d)

In both types of cell division, the chromosomes are only duplicated once.

e)

Only in Mitosis, do you see chromosomes pair up to form a tetrad.

63.

The products of MEIOSIS have _______ number of chromosomes.

a)

haploid

b)

diploid

64.

What is another term for body cells?

a)

somatic cells

b)

gamete

c)

stem cell

d)

neural cell

65.

Sea turtles have 56 chromosome in their somatic cells. How many chromosomes are in their gametes?

a)

28

b)

56

c)

112

d)

46

66.

Crossing over happens when part of the genetic information of one chromosome switches places with the genetic information from another chromosome. Another term for this process is

a)

genetic recombination

b)

genetic reduction

c)

a mutation

d)

nondisjunction

67.

At the end of meiosis, how many complete/operational sex cells are created for each original cell?

a)

2 for males; 2 for females

b)

1 for males; 4 for females

c)

4 for males; one for females

d)

1 for males; 1 for females

68.

The term that refers to a cell that has its full or complete number of chromosomes is

a)

diploid

b)

N

c)

gamete

d)

haplpoid

69.

This term refers to the production of gametes by organisms that reproduce sexually

a)

mitosis

b)

binary fission

c)

meiosis

d)

cloning

70.

What is the scientific term that refers to sex cells?

a)

autosome

b)

gamete

c)

karyotype

d)

chromosome

71.

How many daughter cells are made at the end of Meiosis l?

a)

2

b)

3

c)

4

d)

6

72.

If there is a lot of genetic variation in a population,

then there is a greater chance of survival.

a)

TRUE

b)

FALSE

73.
The heterozygotes resulting in a cross between two purebreds has a phenotype that resembles an intermediate form between the two parents. 
a)
Incomplete Dominance
b)
Complete dominance
c)
Co - Dominance 
d)
Multiple Alleles
74.
The Himalayan Chinchilla can be different varieties of colors based on inheriting combinations of the  C allele, Cch , or Ch allele
a)
Polygenic Inheritance
b)
Pleiotropy
c)
Codominance 
d)
Multiple Alleles
75.
This pattern of inheritance usually results in a normal bell curve of variation in a given population, like the inheritance of height 
a)
Pleiotropy
b)
Polygenic Inheritance
c)
Multiple alleles
d)
Incomplete Dominance
76.
This pattern of inheritance is demonstrated when a gene from one locus can prevent the full expression of another gene at a different locus. 
a)
Multiple alleles
b)
Polygenic Inheritance
c)
Codominance 
d)
Epistasis
77.
This pattern of inheritance is when one gene or mutation can have multiple phenotypic effects
a)
Multiple alleles
b)
Polygenic inheritance
c)
Pleiotropy
d)
Codominance
78.

Multiple symptoms of disease can be traced back to one defective gene

a)

Multifactorial

b)

Lethal alleles

c)

pleitropy

79.

Human ABO blood typing

a)

Epistasis

b)

Multiple alleles

c)

Pleitropy

80.

One gene masks the effects o another's phenotype

a)

Penetrance

b)

Codominance

c)

Epistasis

81.

Labrador retriever's fur color is an example of epistasis. In this case the E gene controls the expression of the B gene. It a puppy was born with the genotype eeBB its fur color would be ________ and if it was born with the genotype EEbb it would be __________

a)

yellow, yellow

b)

yellow, black

c)

chocolate, black

d)

yellow, chocolate

82.

Some flowers are controlled by codominance. Red flowers (FRFR), blue flowers (FBFB) and Speckled flowers (FRFB).


Cross a red flower with a speckled flower. What is the phenotypic ratio?

a)

50% red, 50% speckled

b)

25% red, 25% blue

c)

100% blue

83.

A long-haired female rabbit and a short-haired male rabbit produced this offspring with a medium-length coat:

a)

Incomplete dominance

b)

Codominance

c)

Complete dominance

84.

Small segments of information found in DNA that contain the instructions for an organism's traits.

a)

Chromosomes

b)

Genes

c)

DNA

d)

Alleles

85.

The alternate forms a gene may have for a particular trait.

a)

Dominant

b)

Recessive

c)

Alleles

d)

Genes

Similar Resources on Wayground

BIO SEMESTER REVIEW (PART 1) S. METHOD,BIOCHEMISTRY, Cells

85 questions

BIO SEMESTER REVIEW (PART 1) S. METHOD,BIOCHEMISTRY, Cells

quiz

Worksheet

•

9th Grade

Biology Semester 1 Review

90 questions

Biology Semester 1 Review

quiz

Worksheet

•

9th - 10th Grade

8th Grade CBA #1 Review

80 questions

8th Grade CBA #1 Review

quiz

Worksheet

•

7th - 9th Grade

Biology S1 Review '22

83 questions

Biology S1 Review '22

quiz

Worksheet

•

9th Grade

EOC Review

90 questions

EOC Review

quiz

Worksheet

•

9th - 11th Grade

Energy and Life Review

80 questions

Energy and Life Review

quiz

Worksheet

•

9th Grade

Review Notebook: Unit 3 CED Quizizz (MCQ only)

82 questions

Review Notebook: Unit 3 CED Quizizz (MCQ only)

quiz

Worksheet

•

9th - 12th Grade

Unit 4: Cellular Biology

86 questions

Unit 4: Cellular Biology

quiz

Worksheet

•

9th Grade