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Unit 9 Review Sci7

Total questions: 75

Worksheet time: 38mins

Name
Class
Date
1.

The passing down of physical characteristics or traits from parents to offspring through sexual reproduction.

a)

Heredity

b)

Genetics

c)

DNA

d)

Genes

e)

Nucleotides

2.

The branch of biology that deals with heredity and differences in organisms determined by DNA.

a)

Heredity

b)

Genetics

c)

DNA

d)

Genes

e)

Nucleotides

3.

The genetic information, found in the nucleus of a cell, that serves as the blue prints for everything a cell is and does.

a)

Heredity

b)

Genetics

c)

DNA

d)

Genes

e)

Nucleotides

4.

Sections of DNA that serve as the recipe for a specific trait. Usually represented as stripes or bands on chromosomes.

a)

Heredity

b)

Genetics

c)

DNA

d)

Genes

e)

Nucleotides

5.

The blocks that make up DNA. Each block is made up of a sugar, a phospate, and one of four nitrogen bases.

a)

Heredity

b)

Genetics

c)

DNA

d)

Genes

e)

Nucleotides

6.

What do we call the specific characteristics of an organism such as hair color, eye color, height, weight, etc?

a)

Traits

b)

Attributes

c)

Features

d)

Qualities

e)

Virtues

7.

The shape of DNA is known as a

a)

Double Helix

b)

Double Axel

c)

Double Arch

d)

Double Pyramid

e)

Double Hexagon

8.

Thymine, Adenine, Cytosine, and Guanine are examples of

a)

Nitrogen Bases

b)

Phosphates

c)

Nucleotides

d)

Pentose Sugars

9.

Adenine will only bond with

a)

Adenine

b)

Thymine

c)

Guanine

d)

Cytosine

10.

Thymine will only bond with

a)

Adenine

b)

Thymine

c)

Guanine

d)

Cytosine

11.

Guanine will only bond with

a)

Adenine

b)

Thymine

c)

Guanine

d)

Cytosine

12.

Cytosine will only bond with

a)

Adenine

b)

Thymine

c)

Guanine

d)

Cytosine

13.

A mistake in DNA replication is known as a

a)

Mutation

b)

Free Nucleotide

c)

Chromatid

d)

Antiparallel DNA Strand

e)

Gene Revocation

14.

Most Mutations are

a)

Harmful to the Organism

b)

Helpful to the Organism

15.

In a rare instance when a genetic mutation happens to be helpful to the organism, the new trait would be an example of a(n)

a)

Adaptation

b)

Modification

c)

Remodel

d)

Conversion

e)

Accommodation

16.

DNA stands for

a)

Deoxyribonucleic Acid

b)

Denitrogenous Acid

c)

Deribonucleic Acid

d)

Duteriousnucleic Acid

e)

Dirigiblenucleic Acid

17.

Why is DNA important?

a)

It serves as the blueprint for the traits of all living things

b)

It is a major energy source in the human body

c)

It helps to dissolve complex materials in living things

d)

It can be extracted and used to increase oxygen levels

18.

DNA is found in the

a)

Cell Membrane

b)

Vacuoles

c)

Ribosomes

d)

Golgi Apparatus

e)

Nucleus

19.

Which two scientists are accredited with correctly deducing the double helix model of DNA?

a)

Watson & Crick

b)

Wilkins & Crick

c)

Wilkins & Franklin

d)

Watson & Franklin

20.

What determines the code that a DNA molecule contains?

a)

The Shape of the Nitrogen Bases

b)

The Order of the Nitrogen Bases

c)

The Color of the Nitrogen Bases

d)

The Number of Nitrogen Bases

21.

Who is considered the "father of genetics" because of their work studying pea plants?

a)

Gregor Mendel

b)

Isaac Newton

c)

Albert Einstein

d)

Galileo Galilei

e)

Charles Darwin

22.

Which of the following is NOT a reason Mendel choose to study pea plants, instead of some other organism?

a)

They were cheap, small, and easy to maintain

b)

They can reproduce quickly

c)

They have distinct characteristics that are easily seen

d)

They are the most common plant around

23.

Pollination is a form of

a)

Sexual Reproduction

b)

Asexual Reproduction

24.

Gregor Mendel is famous for studying

a)

Pea Plants

b)

Sunflowers

c)

Fir Trees

d)

Daffodils

e)

Wheat

25.

Another word for purebred

a)

Homozygous

b)

Heterozygous

26.

Another word for hybrid

a)

Homozygous

b)

Heterozygous

27.

A gene that is always shown when it is present because it stops the "weaker" gene from showing is called

a)

Dominant

b)

Recessive

28.

A gene that is blocked and hidden unless it is alone

a)

Dominant

b)

Recessive

29.

Each version of a gene that an organism can get from its parent is known as a(n)

a)

Allele

b)

Synapse

c)

Nucleotide

d)

Zygote

e)

Antibody

30.

According to this Punnett Square, what percentage of offspring will exhibit the dominant trait?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

31.

According to this Punnett Square, what percentage of offspring will exhibit the recessive trait?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

32.

According to this Punnett Square, what percentage of offspring will be Homozygous Dominant?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

33.

According to this Punnett Square, what percentage of offspring will be Homozygous Recessive?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

34.

According to this Punnett Square, what percentage of offspring will be Heterozygous?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

35.

What statement is true regarding this Punnett Square?

a)

One parent is Homozygous, the other parent is Heterozygous

b)

Both parents are Heterozygous

c)

Both parents are Homozygous

d)

It is impossible to tell whether the parents are Homozygous or Heterozygous

36.

According to this Punnett Square, what percentage of offspring will exhibit the dominant trait?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

37.

According to this Punnett Square, what percentage of offspring will exhibit the recessive trait?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

38.

According to this Punnett Square, what percentage of offspring will be Homozygous Dominant?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

39.

According to this Punnett Square, what percentage of offspring will be Homozygous Recessive?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

40.

According to this Punnett Square, what percentage of offspring will be Heterozygous?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

41.

What statement is true regarding this Punnett Square?

a)

One parent is Homozygous, the other parent is Heterozygous

b)

Both parents are Heterozygous

c)

Both parents are Homozygous

d)

It is impossible to tell whether the parents are Homozygous or Heterozygous

42.

According to this Punnett Square, what percentage of offspring will exhibit the dominant trait?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

43.

According to this Punnett Square, what percentage of offspring will exhibit the recessive trait?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

44.

According to this Punnett Square, what percentage of offspring will be Homozygous Dominant?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

45.

According to this Punnett Square, what percentage of offspring will be Homozygous Recessive?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

46.

According to this Punnett Square, what percentage of offspring will be Heterozygous?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

47.

What statement is true regarding this Punnett Square?

a)

One parent is Homozygous, the other parent is Heterozygous

b)

Both parents are Heterozygous

c)

Both parents are Homozygous

d)

It is impossible to tell whether the parents are Homozygous or Heterozygous

48.

This is called a

a)

Punnett Square

b)

Puget Square

c)

Pidgeotto Square

d)

Public Square

e)

Panera Square

49.

In this Punnett Square, R indicates the dominant "Two Ears" trait while r indicates the recessive "One Ear" trait. What is the PHENOTYPE indicated by the box with the arrow?

a)

One Ear

b)

Two Ears

c)

RR

d)

rr

50.

In this Punnett Square, R indicates the dominant "Two Ears" trait while r indicates the recessive "One Ear" trait. What is the GENOTYPE indicated by the box with the arrow?

a)

One Ear

b)

Two Ears

c)

RR

d)

rr

51.

This is an example of a

a)

Karyotype

b)

Punnett Square

c)

Double Helix

d)

Pedigree Chart

e)

GMO

52.

This is an example of a

a)

Karyotype

b)

Punnett Square

c)

Double Helix

d)

Pedigree Chart

e)

GMO

53.

This is an example of a

a)

Karyotype

b)

Punnett Square

c)

Double Helix

d)

Pedigree Chart

e)

GMO

54.

This is an example of a

a)

Karyotype

b)

Punnett Square

c)

Double Helix

d)

Pedigree Chart

e)

GMO

55.

This is a typical example of

a)

A Human

b)

An Organism Other Than A Human

56.

This person is most likely

a)

Male

b)

Female

57.

This person is most likely

a)

Male

b)

Female

58.

This is a typical example of

a)

A Human

b)

An Organism Other Than A Human

59.

In general, females are

a)

xx

b)

xy

c)

yy

60.

In general, males are

a)

xx

b)

xy

c)

yy

61.

Which chromosome pair is responsible for determining biological sex?

a)

1

b)

23

c)

15

d)

9

e)

12

62.

How many generations are shown?

a)

1

b)

2

c)

3

d)

4

e)

5

63.

How many people are expressing a disorder on this chart?

a)

12

b)

9

c)

21

d)

4

e)

5

64.

How many people on this chart are most likely biologically male?

a)

10

b)

11

c)

9

d)

12

e)

13

65.

How many people on this chart are most likely biologically female?

a)

10

b)

11

c)

9

d)

12

e)

13

66.

This disorder indicated in this chart is most likely a

a)

Sex-Linked Disorder

b)

Recessive Disorder

67.

How many children did the second generation have?

a)

6

b)

4

c)

5

d)

7

e)

3

68.

This disorder indicated in this chart is most likely a

a)

Sex-Linked Disorder

b)

Recessive Disorder

69.

A "carrier" of a genetic disorder is someone who

a)

Has one copy of a bad gene but does not have the genetic disorder.

b)

Has the genetic disorder.

c)

Does not have a copy of a bad gene.

d)

Studies a genetic disorder.

70.

Which genotype might show a recessive genetic disorder?

a)

Aa

b)

AA

c)

aa

71.

Which genotype might show a recessive genetic disorder?

a)

Homozygous Dominant

b)

Heterozygous

c)

Homozygous Recessive

72.

Color blindness is most often

a)

A recessive genetic disorder because everyone has the same chance to have the disorder if it runs in your family

b)

A sex-linked genetic disorder because males are more likely to be color blind

c)

A sex-linked genetic disorder because females are more likely to be color blind

d)

Not caused by a genetic disorder

73.

Albinism is most often

a)

A recessive genetic disorder because everyone has the same chance to have the disorder if it runs in your family

b)

A sex-linked genetic disorder because males are more likely to be color blind

c)

A sex-linked genetic disorder because females are more likely to be color blind

d)

Not caused by a genetic disorder

74.

Genetically Modified Foods are

a)

known to be dangerous to human health and we don't eat them

b)

safe to eat and we eat them all the time

c)

known to be dangerous to human health and but we still eat them all the time

d)

safe to eat but we don't eat them

75.

How many children did the third generation have?

a)

2

b)

5

c)

3

d)

4

e)

6

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