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Final Ciencia

Total questions: 90

Worksheet time: 3hrs 7mins

Name
Class
Date
1.

Which genotype is hetrozygous?

a)

Bb

b)

BB

c)

DD

d)

dd

2.

Which genotype is homozygous dominant?

a)

Bb

b)

bb

c)

BB

d)

Dd

3.

Which is NOT an example of a phenotype?

a)

black fur

b)

blue eyes

c)

brown hair

d)

bb

4.

Which genotype is homozygous recessive?

a)

Bb

b)

BB

c)

bb

d)

brown eyes

5.

Which of the following traits is encoded in your DNA?

a)

Your personality

b)

Your likes and dislikes

c)

Your intelligence

d)

Your eye color

6.

Which of the following statements is true?

a)

Your set of DNA is the same as your siblings'

b)

Your set of DNA is the same as your mother's

c)

Your set of DNA is the same as your father's

d)

Your set of DNA is unique to you

7.
One trait that is ALWAYS present and causes the other traits to disappear is a ________________________
a)
recessive trait
b)
aggressive trait
c)
absent trait
d)
dominant trait
8.

_____________________ is the physical appearance of an organism (how it looks)

a)

phenotype

b)

ratio

c)

recessive trait

d)

heredity

9.

Dominant or recessive?


tt

a)

Dominant

b)

Recessive

10.

Dominant genes are represented by a ________

a)

Male gene

b)

lowercase letter

c)

recessive trait

d)

capital letter

11.

When the two alleles of a gene are different

a)

Heterozygous

b)

Homozygous

c)

Phenotype

d)

Genotype

12.

The two alleles that control the phenotype

a)

phenotype

b)

genotype

c)

allele

d)

gene

13.

The different forms of a gene

a)

trait

b)

phenotype

c)

genotype

d)

allele

14.

The brown eye trait is dominant over blue eyes. Which of the following genotypes best represents the phenotype for blue eyes?

a)

BB

b)

Bb

c)

bb

d)

bB

15.

T - tall and t = short

In the Punnett square, what belongs in the missing square?

a)

tt

b)

Tt

c)

TT

16.

G = green, g = yellow

The genotype for a yellow plant is...

a)

GG

b)

Gg

c)

gg

d)

all of the choices result in yellow

17.

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

a)

genotypes

b)

phenotypes

18.

Brown eyes are dominant over blue eyes. What is the probability that the offspring will have brown eyes in this cross?

a)

25%

b)

50%

c)

75%

d)

100%

19.
What is the phenotype of the heterozygous parent in the punnett square?
a)
green
b)
yellow
c)
hybrid
d)
purebred
20.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
21.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
22.
If B = brown hair and b = blonde hair, what is the probability of brown hair?
a)
25%
b)
50%
c)
0%
d)
75%
23.
G = green, g = yellow
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
24.
If B = brown hair and b = blonde hair, what is the probability of brown hair?
a)
25%
b)
50%
c)
0%
d)
75%
25.
In rabbits, black fur (B) is dominant over brown fur (b). If a rabbit has brown fur, what can you conclude about its genotype?
a)
It is BB.
b)
It is Bb
c)
It is brown
d)
It is bb.
26.
A ________________________ is used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
27.
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 
28.
What percent of offspring will have the recessive trait?
a)
25
b)
50
c)
75
d)
100
29.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
30.
What is the probability of heterozygous offspring?
a)
25%
b)
50%
c)
0%
d)
100%
31.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
32.
What is the probability of homozygous dominant offspring?
a)
0%
b)
100%
c)
50%
d)
25%
33.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
34.
What ratio of the offspring from the cross shown will be homozygous recessive for the  trait of tallness? 
a)
0 in 4
b)
1 in 4
c)
2 in 4
d)
4 in 4
35.
What ratio of the offspring from the cross shown will be homozygous recessive for the  trait of tallness? 
a)
0 in 4
b)
1 in 4
c)
2 in 4
d)
4 in 4
36.

What are the chances of heterozygous genotypes in offspring?

a)

50%

b)

25%

c)

1 in 4

d)

75%

37.

What are the chances that the offspring will have homozygous recessive traits?

a)

1 in 4

b)

3 out of 4

c)

75%

d)

50%

38.

Which is homozygeous?

a)

Tt

b)

BB

c)

Ff

d)

Blue

39.

Which is Heterozygous?

a)

Tt

b)

BB

c)

ff

d)

Dominant

40.
How do two purple flowers produce white flower offspring? 
a)
They cant have white flowered offspring
b)
Both flowers are heterozygous and can pass on the white allele
c)
They are both homozygous Dominant
d)
They do not have the recessive allele in their genotype
41.
To express the recessive trait you must be
a)
homozygous dominant
b)
heterozygous
c)
alleleerific
d)
homozygous recessive
42.
What is the genotypic ratio here
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
43.
How many boxes would say BB?
a)
1
b)
2
c)
4
d)
0
44.
The genotypic ratio here is
a)
25% blue eye 75 % brown eye 
b)
BB = 25% Bb = 50% bb = 25%
c)
BB= 50 % bb = 50%
d)
All brown eye
45.
Both parents in this Punnet square
a)
are homozygous dominant
b)
are homozygous recessive
c)
are heterozygous
d)
have blue eyes
46.

What are the chances of heterozygous genotypes in offspring?

a)

50%

b)

25%

c)

1 in 4

d)

75%

47.

What are the chances that the offspring will have homozygous recessive traits?

a)

1 in 4

b)

3 out of 4

c)

75%

d)

50%

48.

Which is homozygeous?

a)

Tt

b)

BB

c)

Ff

d)

Blue

49.

Which is Heterozygous?

a)

Tt

b)

BB

c)

ff

d)

Dominant

50.

How many chromosomes do humans have?

a)

46

b)

23

c)

96

d)

21

e)

43

51.

Characteristics passed from parents to their offspring.

a)

behavior

b)

learned trait

c)

inherited trait

d)

acquired trait

52.
The dominant trait is
a)
yellow pea seeds
b)
green pea seeds
c)
there is no dominant seed
d)
Jolly green giant
53.
The passing of DNA from parents to offspring
a)
Generation
b)
Heredity
c)
Inheritance
d)
Traits
54.

Chromosomes are found in the ____________ of the cell

a)

Chloroplast

b)

Nucleus

c)

Cytoplasm

d)

Mitochondria

e)

Vacuole

55.
Are recessive traits shown with capital or lowercase letters? 
a)
Capital
b)
Lowercase
56.

The gender of an offspring is determined by ______________________.

a)

the mother

b)

the father

c)

the mother and the father

d)

by the environment

57.

Which is the stronger gene that always shows itself?

a)

Hybrid

b)

Dominant

c)

Pure

d)

Recessive

58.

What is the dominant eye color?

a)

Blue

b)

Green

c)

Brown

d)

Hazel

e)

White

59.

Genes are the basic unit of...

a)

genes

b)

cells

c)

heredity

d)

biology

e)

life

60.
A set of traits an organism receives from its parents
a)
heredity
b)
DNA
c)
chromosome
d)
allele
61.
The carrier of genetic information
a)
DNA
b)
RNA
c)
phenotype
d)
nucleus
62.
Weak and can be overpowered
a)
dominant
b)
recessive
c)
chromosome
d)
DNA
63.
Strong and cannot be overpowered
a)
dominant
b)
recessive
c)
trait
d)
gene
64.

Why do you look the way you do?

a)

Because of your phenotype

b)

Because of your genotype

c)

Because of genetics

d)

Because of codominance

65.

What is your phenotype?

a)

Your genetic makeup

b)

Your physical appearance

c)

Two alleles that are exactly the same for a trait

d)

Two alleles that are different for a trait

66.

What is it called when an organism has two different alleles for a trait?

a)

Heterozygous

b)

Homozygous

c)

Genotype

d)

Recessive

e)

Dominant

67.

What is a punnet square?

a)

Something that shows you genotype

b)

Something that shows your phentype

c)

Something to show the probability you will have heterozygous alleles

d)

Something to show the possible combinations of alleles you could have

68.

How many alleles do you get from each of your parents when you are born?

a)

1

b)

2

c)

3

d)

4

69.

The passing of genes from one generation to the next is called...

a)

Variation

b)

Heredity

c)

Genes

d)

Ancestry

70.

A physical trait that is expressed is known as...

a)

Phenotype

b)

Genotype

c)

Genes

d)

Heredity

71.

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

a)

genotypes

b)

phenotypes

72.

Two brown eyed parents (Bb) have a baby. What is the chance their baby is blue eyed (bb)? Draw the Punnett square for help

a)

0 %

b)

25%

c)

50%

d)

75%

73.

T - tall and t = short

In the Punnett square, what belongs in the missing square?

a)

tt

b)

Tt

c)

TT

74.

A Trait is:

a)

A Characteristic of a living thing

b)

How similar to your sibling you are

c)

Being identical to your parents

75.

Specific characteristic of an individual?

a)

Gene

b)
c)

Opinion

d)

Genetics

76.

Different forms of a gene?

a)

Genetics

b)

Trait

c)

Allele

d)

Dominent Allele

77.

Having two identical alleles for a gene?

a)

Dominate Allele

b)

Recessive Allele

c)

Heterozygous

d)

Homozygous

78.

Have two different alleles for the same gene?

a)

Heterozygous

b)

Trait

c)

Homozygous

d)

Dominent Allele

79.

Physical characteristic of an organism?

a)

Genotype

b)

Gene

c)

Phenotype

d)

Trait

80.

Allele that is expressed over another allele

a)

Dominant Allele

b)

Gene

c)

Heterozygous

d)

Recessive Allele

81.

Allele that is only expressed if dominant allele is not there

a)

Homozygous

b)

Trait

c)

Recessive Allele

d)

Heterozygous

82.

Diagram that can be used to predict genotypes and phenotypes.

a)

Squares

b)

Allele Tracer

c)

Trait Finder

d)

Punnett Squares

83.
Emily has brown hair. Which is most likely a true statement about Emily?
a)
Emily’s favorite color is brown.
b)
Emily has a parent with brown hair.
c)
Emily’s older brother has brown hair. 
84.
Which trait does a puppy inherit from its parents?
a)
fur color and pattern
b)
obedience to commands
c)
food brand preferences
d)
affection for a specific home
85.
What should students use to identify the percent chance of a trait being passed down from a parent to its offspring?
a)
a graph
b)
a flow chart
c)
a data table
d)
a Punnett square
86.
Which statement best supports why many offspring look similar to their parents?
a)
Offspring inherit characteristics from one parent.
b)
Offspring inherit characteristics from both parents.
c)
Parents choose which characteristics to pass on to their offspring.
d)
Parents choose to change their appearance to match that of their offspring.
87.

The surroundings in which an organism lives.

a)

Behavior

b)

Environment

c)

Heredity

d)

Inherited

88.

Who discovered the science of "Heredity"?

a)

Albert Einstein

b)

Darwin

c)

Gregor Mendel

d)

Thomas Edison

89.

The qualities an organism has is

(a)  

90.

Brown eyes and black hair are what kind of traits?

a)

Environment

b)

Heredity

c)

Nurture

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