wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

PFMS Inheritance and Punnett Squares

Total questions: 100

Worksheet time: 4hrs 35mins

Name
Class
Date
1.

Which is NOT an example of a genotype?

a)

YY

b)

Yy

c)

Y

d)

yy

2.

Which is NOT an example of a genotype?

a)

A

b)

Aa

c)

AA

d)

aa

3.

The genotype AA is...

a)

homozygous

b)

heterozygous

4.

The genotype cc is...

a)

homozygous

b)

heterozygous

5.

The genotype Dd is...

a)

homozygous

b)

heterozygous

6.

Chromosomes are only inherited from one parent.

a)

True

b)

False

7.

What is the study of genetics called?

a)

dominance

b)

pea plants

c)

heredity

d)

mutations

8.

If brown (B) is dominant and red (b) is recessive for hair color. What is the phenotype of (Bb)?

a)

brown hair

b)

red hair

9.

The phenotype are the physical traits that are expressed in an organism.

a)

True

b)

False

10.

If tall (T) is dominant to short (t), what is the phenotype of plant that is (tt)?

a)

Tall

b)

Short

11.

If long whiskers (w) are recessive to short whiskers (W), what is the phenotype of a cat with the genotype (Ww)?

a)

Long whiskers

b)

Short whiskers

12.

The passing of traits from parents to offspring is called....

a)

Luck

b)

Heredity

c)

Allele

d)

Gene

13.

If no freckles (F) is dominant and having freckles (f) is recessive. What is the genotype of a person who is heterozygous for that trait?

a)

FF

b)

Ff

c)

ff

14.

If purple (P) flowers are dominant to white (p) flowers. What is the genotype of a flower that is homozygous recessive

?

a)

PP

b)

Pp

c)

pp

15.

If smooth (S) is dominant in seeds and wrinkled (s) is recessive. What is the genotype of a seed that is homozygous dominant?

a)

SS

b)

Ss

c)

ss

16.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
17.

Aa, DD, Ba, and yy are all examples of ---

a)

genotypes

b)

phenotypes

18.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
19.
An organism’s physical appearance, or visible traits. 
a)
Genotype
b)
Phenotype
c)
Beanotype
d)
Notype
20.
Which of the following is homozygous dominant?
a)
Yy
b)
Y
c)
yy
d)
YY
21.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
22.

In humans, having freckles (F) is dominant to not having freckles (f). What is the percent chance that a married couple with no freckles will give birth to a child who has freckles?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

23.

If black fur is dominant and white fur is recessive, what genotype would an organism with white fur have?

a)

FF

b)

Ff

c)

ff

24.
What is the probability of heterozygous offspring?
a)
25%
b)
50%
c)
0%
d)
100%
25.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
26.

Each one of the boxes on the Punnett square represents what probability of an offspring's genotype?

a)

25%

b)

1%

c)

10%

d)

0%

27.

What type of Genotype is this: AA?

a)

Homozygous

b)

Heterozygous

28.

What type of Genotype is this: AA?

a)

Purebred

b)

Hybrid

29.

What type of Genotype is this: aa?

a)

Purebred

b)

Hybrid

30.

What type of Genotype is this: Aa?

a)

Homozygous

b)

Heterozygous

31.

What type of Genotype is this: Aa?

a)

Purebred

b)

Hybrid

32.

Where is DNA found???

a)

Cell membrane

b)

Nucleus

c)

Cell wall

d)

Auditorium

33.

What are the name of structures which contain DNA???

a)

Zoneosomes

b)

Colonsomes

c)

Bromosomes

d)

Chromosomes

34.
Traits that are passed from generation to generation are called ____________________
a)
Excited Traits
b)
Inherited Traits
c)
Inclined Traits
d)
Special Traits
35.
What does DNA do?
a)
a.  It carries genetic codes from parents to offspring.
b)
a.  It carries oxygen from the lungs to the body.
c)
a.  It tells you who you are.
d)
a.  It defines the organism.
36.

How many chromosomes do human cells have?

a)

46

b)

23

c)

2

d)

44

37.
What is a gene?
a)
A bundle (like a hot dog bun) that the DNA is packed into
b)
something inside the nucleus
c)

a piece of DNA that codes for a trait

d)
all of your DNA
38.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
39.

Founder of modern Genetics

a)

Gregor Mendel

b)

Isaac Newton

c)

Charles Darwin

d)

Mr. Baldado

40.

Traits that offer an advantage will most likely be passed on to offspring

a)

True

b)

False

c)

Depending on dominant traits

d)

Depending on recessive traits

41.

A, T, C and G are components of __________.

a)

DNA

b)

Genes

c)

Chromosomes

d)

Nucleus

42.

What is the percentage of beans that will have green colored fruits?

a)

100%

b)

75%

c)

50%

d)

25%

43.

What color of eyes will the genotype bb have?

a)

Brown

b)

Blue

c)

Maybe brown

d)

Maybe blue

44.

If A represents thick hair, and a represents thin hair. What would be the physical trait for genotype Aa?

a)

Thick hair

b)

Thin hair

c)

No hair

d)

Brown hair

45.

What is the probability of heterozygous offspring?

a)

1/4

b)

2/4

c)

3/4

d)

4/4

46.

If Brown eye color (B) is dominant over Green eye color (b) Then, what is the probability of brown eye color?

a)

1/4

b)

2/4

c)

3/4

d)

4/4

47.

What is the probability of bb offspring?

a)

1/4

b)

2/4

c)

3/4

d)

4/4

48.

Which statement best supports why many offspring look similar to their parents?

a)

offspring inherit traits from only one parent

b)

offspring inherit traits from both parents

c)

parents choose which traits to pass on to their offspring

49.

What should you use to predict the traits of offspring when you know the genes of two parents?

a)

a graph

b)

a flow chart

c)

a Punnett square

d)

a pedigree

50.

Emily has brown hair. Which most likely explains why Emily has brown hair?

a)

Emily's favorite color is brown

b)

Emily has a parent with brown hair

c)

Emily's older brother has brown hair

51.

G is dominant and g is recessive. If an organism has the genes, gg, what will be the genotype?

a)

Dominant

b)

Recessive

52.

T is dominant, t is recessive. If an organism has the genes, Tt. What will the genotype be?

a)

Dominant

b)

Recessive

53.

A SINGLE characteristic of a living thing

a)

evidence

b)

inherited

c)

trait

d)

characteristic

54.

It is passed on from parents to offspring.

a)

characteristic

b)

trait

c)

inherited

d)

evidence

55.

Differences among animals or people is called

a)

traits

b)

inherited

c)

trait

d)

variation

56.
Living things reproduce and create ______________.
a)
reproduce
b)
traits
c)
offspring
d)
variations
57.

Which trait was passed from the mom to the puppy?

a)

brown fur

b)

ears that stick up

c)

large size

d)

non of the above

58.

What are some different traits between the individual puppies?

a)

fur color

b)

size

c)

length of snout (nose)

d)

all of the above

59.

Traits that are passed along through generations of family members include which of these?

a)

eye color

b)

hair color

c)

nose shape

d)

all of the above

60.

What is a trait?

a)

A characteristic of a living thing.

b)

How similar to your sibling you are.

c)

Being identical to your parents.

61.

When 1 single parent can have offspring they make clones that?

a)

look different than the parent

b)

will be a copy of the parent

c)

do not grow very fast

d)

have only one trai

62.

In this Punnett square used to predict genetic crosses, RR represents the _________ of the organism.

a)

appearance

b)

chromosomes

c)

genotype

d)

phenotype

63.

A trait is a feature or quality of an organism. All organisms have a unique set of traits that they inherit from their parents. Each parent supplies one half of the __________ needed to determine the traits of their offspring.

a)

centromeres

b)

chromosomes

c)

karyotypes

d)

nuclei

64.

In rabbits, B represents the allele for black coat and b represents the allele for white coat. Black is dominant over white. If a rabbit has the genotype Bb, what is the rabbit's phenotype?

a)

gray

b)

black

c)

white

65.

Where are chromosomes found in an animal cell?

a)

inside a gene

b)

in the cytoplasm

c)

in a strand of DNA

d)

inside of the nucleus

66.

Amy’s white cat had kittens. The father of the kittens was MOST LIKELY

a)

curious

b)

large

c)

orange

d)

white

67.

Why do the kittens have the same fur color as their mother?

a)

Fur color is an inheritable trait.

b)

All offspring always look like their mother.

c)

Offspring inherit fur color from only their mother.

d)

It was just chance that they had the same fur color.

68.

This black dog mates and has puppies with a solid white dog. The white dog has the genotype bb. The match produces a litter of 8 puppies: 6 black and 2 white. What is the most likely genotype of this black dog?

a)

B

b)

BB

c)

Bb

d)

bb

69.

Which alleles are represented by the red "X" on this Punnett square?

a)

BB

b)

Bb

c)

bb

d)

none of the above

70.

Purple is dominant to white. What percentage of the offspring would be white?

a)

0%

b)

25%

c)

75%

d)

100%

71.

Purple is dominant to white. What percentage of the offspring would be purple?

a)

0%

b)

25%

c)

75%

d)

100%

72.

Yellow is dominant to green. What percentage of the offspring would be green?

a)

0%

b)

25%

c)

50%

d)

100%

73.

Purple flowers are dominant to white flowers. Which of the following phenotypes would (pp) reflect?

a)

purple

b)

white

74.

Purple flowers are dominant to white flowers. Which of the following phenotypes would (Pp) reflect?

a)

purple

b)

white

75.

Yellow is dominant to green. What percentage of the offspring would be yellow?

a)

0 %

b)

25%

c)

50%

d)

100%

76.

dd

a)

homozygous

b)

dominant

c)

recessive

d)

heterozygous

77.

Abigail has a flower plant with genotype 'Bb'. What can we say about this genotype?

a)

It is homozygous

b)

It is dominant

c)

It is recessive

d)

It is heterozygous

78.

All sexually producing organisms form sex cells which have ____ the number of chromosomes as body cells.

a)

half

b)

twice as much

c)

three fourths

d)

exactly

79.

Each gene contains ____ for coding a particular trait.

a)

constructions

b)

instructions

c)

diagrams

d)

proteins

80.

During fertilization, you receive ___ chromosomes from your father and ___ chromosomes from your mother.

a)

23-23

b)

46-46

c)

47-47

d)

24-24

81.

A version of a gene that gets masked or hidden

a)

Mendelian Trait

b)

Recessive Trait

c)

Dominant Trait

d)

Homozygous

82.

Both alleles are different

Example: Bb

a)

Homozygous

b)

Heterozygous

c)

Genotype

d)

Phenotype

83.

Probability is...

a)

Diagram showing the gene combinations that might result from a genetic cross

b)

Likelihood that a particular genetic event will occur

c)

The genetic makeup that leads to the trait - the alleles

d)

The physical characteristic that is seen

84.

An allele is

a)

The physical characteristic that is seen

b)

Likelihood that a particular genetic event will occur

c)

A version of a gene / different common forms of one particular gene

d)

Diagram showing the gene combinations that might result from a genetic cross

85.

Both alleles are the same

Example: BB or bb

a)

Homozygous

b)

Heterozygous

c)

Genotype

d)

Phenotype

86.

The genetic makeup that leads to the trait - the alleles

a)

Homozygous

b)

Heterozygous

c)

Genotype

d)

Phenotype

87.

The physical characteristic that is seen

a)

Homozygous

b)

Heterozygous

c)

Genotype

d)

Phenotype

88.
Only changes in ______________ cells can be passed to offspring.
a)
sex
b)
body
c)
animal
d)
allele
e)
mitosis
89.
Having pierced ears is an example of a(n)___________________ trait.
a)
inherited
b)
dominant
c)
recessive
d)
acquired
e)
polygenic
90.

A Punnett square showing the cross between two pea plants is shown. In pea plants, the smooth coat allele is (R) the wrinkled coat allele is (r). Which is the dominant allele?

a)

smooth coat (R)

b)

wrinkled coat (r)

91.

A complete Punnett square here shows a cross between two mice with different fur color, agouti (A) and black (a). What is the probability of the recessive phenotype being expressed?

a)

25%

b)

50%

c)

75%

d)

100%

92.

How is it genetically possible for parents with both natural brown hair, a dominant phenotype have an offspring with blonde hair, a recessive phenotype?

a)

Both parents have blonde, but have dyed their hair brown.

b)

Both parents have the allele for blonde hair that they passed down to their offspring.

c)

The offspring is not their child.

93.

In sexual reproduction, why are the offspring not genetically identical to their parents?

a)

Offspring of sexual reproduction are genetically identical to their parents because they are a unique combination of the DNA from both parents.

b)

Offspring of sexual reproduction are not genetically identical to their parents because they are a unique combination of the DNA from both parents.

c)

Offspring of sexual reproduction are not genetically identical to their parents because they are not a unique combination of the DNA from both parents.

94.

How can you tell if an offspring is the result of asexual or sexual reproduction?

a)

If the offspring is genetically identical to its parent then it will be the result of asexual reproduction, and if it is genetically different to its parents, then it will be the result of sexual reproduction.

b)

If the offspring is genetically different to its parent then it will be the result of asexual reproduction, and if it is genetically identical to its parents, then it will be the result of sexual reproduction.

95.

The difference between genotype and phenotype is :

a)

Genotype shows the combination of alleles that provides the genes for a trait, while phenotype is the expression of the trait, what it will look like.

b)

Phenotype shows the combination of alleles that provides the genes for a trait, while genotype is the expression of the trait, what it will look like.

96.

In sexually reproducing organisms, each parent contributes _____________ of the genes acquired by the offspring.

a)

an eighth

b)

a quarter

c)

a half

d)

three quarters

97.

The offspring of sexually reproducing organisms have genes that are _____________ from that of their parents.

a)

different

b)

same

c)

dominant

d)

recessive

98.

The offspring of asexually reproducing organisms have genes that are ____________ to that of their parent.

a)

different

b)

same

c)

dominant

d)

recessive

99.

What is an inherited trait?

a)

Long strands of DNA that contain lots of genes.

b)

Different versions of a gene.

c)

The basic unit of heredity; controls a specific trait.

d)

A characteristic passed from parent to offspring

100.

What are alleles?

a)

Long strands of DNA that contain lots of genes.

b)

Different versions of a gene.

c)

The basic unit of heredity; controls a specific trait.

d)

The differences that occur from a mixture of genes

Similar Resources on Wayground

Forces Revision

95 questions

Forces Revision

quiz

Worksheet

•

8th Grade

2018/2019 Trimester 1 and 2 review

104 questions

2018/2019 Trimester 1 and 2 review

quiz

Worksheet

•

6th Grade

Final Exam Review

100 questions

Final Exam Review

quiz

Worksheet

•

5th - 8th Grade

Are You Ready for Wednesday's Test?

100 questions

Are You Ready for Wednesday's Test?

quiz

Worksheet

•

7th Grade

Water conservation

101 questions

Water conservation

quiz

Worksheet

•

6th Grade

🤗HW9: 9.7

99 questions

🤗HW9: 9.7

quiz

Worksheet

•

7th Grade

Characteristics of Life pt. 1

95 questions

Characteristics of Life pt. 1

quiz

Worksheet

•

6th Grade