wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Genetics Test Review, Biology Part B

Total questions: 57

Worksheet time: 37mins

Name
Class
Date
1.
Which of the following is heterozygous
a)
FF
b)
tt
c)
Gg
d)
RR
2.
Which of the following is homozygous recessive?
a)
rr
b)
AA
c)
TT
d)
Ff
3.
Which of the following is homozygous dominant?
a)
Jj
b)
Rr
c)
MM
d)
ee
4.
The physical appearance of a trait is known as the-
a)
genotype
b)
phenotype
c)
characteristics
d)
intelligence
5.
How much of your DNA do you inherit from your mom?
a)
10%
b)
25%
c)
50%
d)
it varies
6.

A version or variation of a gene

a)

trait

b)

gene

c)

allele

d)

DNA

7.

The alleles that an organism has/inherits are its

a)

genotype

b)

phenotype

c)

chromosome

d)

recessive

8.
An allele that is masked when a dominant allele is present. The "weaker" gene. 
a)
Dominant Allele
b)
Recessive Allele
9.
An allele whose trait always shows up in the organism when the allele is present. The "stronger" gene. 
a)
Dominant Allele
b)
Recessive Allele
10.
What is called when a organism has  two different alleles for a trait. Tt or Rr
a)
Heterozygous
b)
Homozygous
c)
Domozygous
d)
Thermozygous
11.
What is called when a organism has two identical alleles for a trait. TT or tt. RR or rr
a)
Heterozygous
b)
Homozygous
c)
Domozygous
d)
Thermozygous
12.
In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being purple?
a)
25%
b)
0%
c)
100%
d)
50%
13.
In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being white?
a)
25%
b)
0%
c)
100%
d)
50%
14.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
15.
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%
16.
In the punnett square shown, what must the genotype of the missing parent be?
a)
BB
b)
Bb
c)
bb
d)
Tt
17.
In the punnett square shown, what is the genotypes of the two parents?
a)
RW and RR
b)
RW and WW
c)
RR and WW
d)
RW and RR
18.

A father dog has black fur while a mother dog has blonde fur. Which of these statements explains why one of their puppies has black fur?

a)

 The puppy inherited its copies of the gene for fur color from its father and not from its mother. Just like its father’s genes, those genes instruct for proteins that connect in ways that make its fur black.

b)

 The puppy inherited its copies of the gene for fur color from its father and not from its mother. Those genes connect together to make its fur black

c)

The puppy inherited one copy of the gene for fur color from its father and one copy from its mother. That gene combination instructs for proteins that make its fur black

d)

The puppy inherited one copy of the gene for fur color from its father and one copy from its mother. Those genes connect together to make its fur black

19.

heterozygous

a)

Bb

b)

BB

c)

bb

20.

homozygous dominant trait

a)

Bb

b)

BB

c)

bb

21.

homozygous recessive trait

a)

BB

b)

bb

c)

Bb

22.

Brown eyes are dominant to blue eyes. Cross heterozygous brown eyes with homozygous blue eyes.

a)

Ee x Ee

b)

EE x ee

c)

Ee x ee

d)

Ee x EE

23.

Brown hair is dominant to red hair. Cross homozygous brown hair with homozygous red hair.

a)

Hh x Hh

b)

HH x He

c)

Hh x hh

d)

HH x hh

24.

Round peas are dominant to wrinkled peas. Cross heterozygous round pea with heterozygous round pea.

a)

Rr x Rr

b)

RR x rr

c)

Rr x rr

d)

Rr x RR

25.

Codominance

Brown cows and white cows are both dominant. Cross a brown cow with a spotted cow.

a)

BB x WW

b)

BB x BW

c)

BW x BW

d)

BB x BB

26.

Incomplete Dominance

Red flower are dominant to white flowers. Cross a red flower with a pink flower.

a)

RR x Rr

b)

RR x rr

c)

Rr x Rr

d)

Rr x rr

27.

Brown eyes are dominant to green eyes. What is the percent chance a child will have green eyes if mom is heterozygous brown eyes and dad is also heterozygous for brown eyes.

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

28.

Blonde hair is dominant to red hair. What is the percent chance a child will have red hair if the mom is heterozygous for blonde hair and dad is homozygous for red hair.

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

29.

Tall is dominant to short. What is the chance will be taller than the average height is mom is homozygous short and and dad is homozygous tall?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

30.

Codominance

A black chicken and white chicken are both dominant. What is the percent chance a baby chick will be spotted if the dad is a solid black chicken and the mom is a spotted chicken?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

31.

Incomplete Dominance

A red flower is dominant to an orange flower. What percentage chance will the new flowers be orange if one female flower is orange and the male flower is orange?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

32.

What type of blood will a baby have if mom is type AB and dad is homozygous for B blood?

a)

Only type AB

b)

Only type B

c)

Type AB or type B

d)

Type A or type B

33.

What type of blood will a baby have if mom is type O and dad is heterozygous for type A blood?

a)

only type O

b)

type O or type A

c)

type A or type AB

d)

only type A

34.

What type of blood can a baby have if mom is heterozygous type B and dad is heterozygous type A?

a)

all blood types

b)

only type O

c)

type AB and O

d)

type A or type B

35.

There are ___ males and ___ females in the pedigree shown.

a)

10; 5

b)

4; 8

c)

8; 8

d)

7; 6

36.

How many marriages are shown in the pedigree?

a)

4

b)

5

c)

2

d)

1

37.

Which of the following will be in box number 3?

a)

AA

b)

Aa

c)

aa

38.

Which of the following will be in box 4?

a)

AA

b)

Aa

c)

aa

39.
What does a Punnett Square show?
a)
All of Mendel's discoveries about Genetics
b)
Only recessive alleles in a genetic cross
c)
All the possible outcomes of a genetic cross
d)
Only the dominant alleles in a genetic cross
40.
__________ is genetic material on chromosomes organized into a double helix.
a)
Genotype
b)
DNA
c)
Genetics
d)
Monohybrid
41.
One gene from a gene pair is called DNA.
 
a)
True
b)
False
42.
Inherited traits can never blend.
a)
True
b)
False
43.
The different forms of a gene are called
a)
alleles
b)
factors
c)
masks
d)
traits
44.
______________ is the physical appearance of an organism as a result of its genotype.
a)
Genotype
b)
DNA
c)
Phenotype
d)
Dominant
45.
______________ is known as the "Father of Genetics".
a)
Recessive
b)
Chromosomes
c)
DNA
d)
Gregor Mendel
46.
What does the notation "TT" mean in genetics?
a)
Two recessive alleles
b)
Two dominant alleles
c)
One dominant and one recessive allele
d)
A heterozygous organism
47.
What does the notation "Tt' mean to geneticists?
a)
One dominant and one recessive allele
b)
Two dominant alleles
c)
Two recessive alleles
d)
A Homeozygous organism
48.
An organism's genotype is its _________________
a)
feather color
b)
stem height
c)
genetic makeup
d)
physical appearance
49.
Inherited traits can be dominant, recessive or neither.
a)
True
b)
False
50.
_______________ is the study of how traits are passed from parents to offspring.
a)
Monohybrid
b)
Genetics
c)
Chromosome
d)
Genotype
51.
The structure in a cell's nucleus that contains DNA is called a ____________.
a)
Chromosome
b)
Genotype
c)
Dominant
d)
Recessive
52.
For a ___________ trait, one allele is dominant and one is recessive.
a)
phenotype
b)
DNA
c)
monohybrid
d)
genetics
53.
If an organism has a monohybrid trait, the ____________ allele will show in its phenotype.
a)
Gene
b)
Genetics
c)
Recessive
d)
Dominant
54.
Traits in a genotype are always seen in the phenotype.
a)
True
b)
False
55.
Chromosomes carry the genes for different traits.
a)
True
b)
False
56.
All characteristics are inherited, but environmental factors can change some of them.
a)
True
b)
False
57.
If a purebred black guinea pig (BB) was crossed with a purebred white (bb), what is the probability that an offspring will have black fur?
a)
25%
b)
50%
c)
75%
d)
100%

Similar Resources on Wayground

Sex-linked Traits and Pedigrees

57 questions

Sex-linked Traits and Pedigrees

quiz

Worksheet

•

9th - 12th Grade

Unit 1 AP Biology

53 questions

Unit 1 AP Biology

quiz

Worksheet

•

9th - 12th Grade

2018-2019 Released Biology EOC Test - Complete

62 questions

2018-2019 Released Biology EOC Test - Complete

quiz

Worksheet

•

9th - 12th Grade

Genetics

54 questions

Genetics

quiz

Worksheet

•

9th - 12th Grade

Biology Final Exam Review

60 questions

Biology Final Exam Review

quiz

Worksheet

•

9th - 12th Grade

Plant and Animal Organ Systems

56 questions

Plant and Animal Organ Systems

quiz

Worksheet

•

9th Grade

Cell Division

60 questions

Cell Division

quiz

Worksheet

•

9th - 12th Grade

Mitosis Review

57 questions

Mitosis Review

quiz

Worksheet

•

9th - 12th Grade