Question 1

List the phases of Interphase in order

Accepted Answer

G1, S, G2

Answer

S, G1, G2

Answer

G1, G2, S

Question 2

During this phase of interphase, DNA is replicated.

Accepted Answer

S

Answer

G2

Answer

G1

Question 3

Division of the nucleus is called

Accepted Answer

mitosis

Answer

cytokinesis

Answer

S phase

Answer

G2 phase

Question 4

Mitosis is similar to Binary Fission, which is a form of ________ reproduction.

Accepted Answer

asexual

Answer

sexual

Question 5

As a result of mitosis, each of the two new cells produced will

Accepted Answer

be identical

Answer

have no chromosomes

Answer

be genetically unique

Answer

have half the number of chromosomes

Question 6

Identify the structure m

Accepted Answer

chromosome

Answer

genes

Answer

nucleus

Answer

spindle fiber

Question 7

Identify structure g

Accepted Answer

spindle fibers

Answer

flagella

Answer

cytoskeleton

Answer

cilia

Question 8

What is the role of the spindle fibers during mitosis?

Accepted Answer

separate the chromosomes

Answer

provide structure

Answer

keep chromosomes together

Question 9

List the phases of mitosis in order

Accepted Answer

prophase, metaphase, anaphase, telophase

Answer

metaphase, anaphase, telophase, prophase

Answer

prophase, telophase, metaphase, anaphase

Answer

prophase, anaphase, metaphase, telophase

Question 10

Meiosis results in the formation of

Accepted Answer

gametes

Answer

identical cells

Answer

somatic cells

Answer

sister cells

Question 11

If an animal's skin cells have a diploid count of 48 chromosomes, the haploid gametes have

Accepted Answer

24

Answer

96

Answer

48

Answer

12

Question 12

Crossing over occurs during which step of meiosis?

Accepted Answer

prophase

Answer

telophase

Answer

anaphase

Answer

metaphase

Question 13

Human's body (somatic) cells have _______ chromosomes; their gametes have _________ chromosomes

Accepted Answer

46, 23

Answer

46, 92

Answer

92, 46

Answer

23, 46

Question 14

During meiosis of human sperm cells, ________ sperm cell(s) is/are produced.

Accepted Answer

4

Answer

2

Answer

1

Answer

8

Question 15

During meiosis of human egg cells, ________________ egg(s) is/are produced.

Accepted Answer

1

Answer

4

Answer

2

Answer

3

Question 16

He is the father of genetics

Accepted Answer

Mendel

Answer

Darwin

Answer

Avery

Answer

Watson

Question 17

The passing of traits from parents to offspring is called:

Accepted Answer

heredity

Answer

genome

Answer

evolution

Answer

homeostasis

Question 18

If an individual has two recessive alleles for a trait, their genotype is

Accepted Answer

aa

Answer

Aa

Answer

AA

Question 19

Crossing AA x aa would result in how many of the offspring with the dominant phenotype

Accepted Answer

100%

Answer

50%

Answer

75%

Answer

25%

Question 20

The scientific study of heredity is

Accepted Answer

genetics

Answer

anatomy

Answer

physiology

Answer

gerenology

Question 21

An organism's ________ is its genetic makeup

Accepted Answer

DNA

Answer

carbohydrates

Answer

proteins

Answer

lipids

Question 22

Mendel used the _________ in his research

Accepted Answer

pea

Answer

sunflower

Answer

fruit fly

Answer

bean

Question 23

Distinct forms (or versions) of genes are called ________________

Accepted Answer

alleles

Answer

heterozygous

Answer

homozygous

Answer

isotopes

Question 24

A specific section of a chromosome that codes for a particular trait is a

Accepted Answer

gene

Answer

allele

Answer

diploid

Answer

haploid

Question 25

A genotype is _______________ when the two alleles are not the same

Accepted Answer

heterozygous

Answer

hypertonic

Answer

homozygous

Answer

isotonic

Question 26

What is the predicted phenotypic ration of a heterozygous dihybrid cross?

Accepted Answer

9:3:3:1

Answer

1:1:1:1:2:2:2:2:4

Answer

12:3:1

Answer

4:4:4:4

Question 27

What genes are found on only the 23rd pair of X or Y chromosomes?

Accepted Answer

sex

Answer

height

Answer

eye color

Answer

hair color

Question 28

In human sperm, what percentage of sperm carry an X chromosome?

Accepted Answer

50

Answer

75

Answer

25

Answer

66

Question 29

Chromosomes that are NOT sex chromosomes and do not determine gender are

Accepted Answer

autosomes

Answer

somatic

Answer

autotomic

Answer

gametes

Question 30

What is true about recessive alleles

Accepted Answer

they only show up if they are homozygous

Answer

they only show up if they are heterozygous

Answer

they show up over dominant alleles

Answer

they are only found in autosomes

Question 31

Which is a dominant disorder

Accepted Answer

Huntingtons

Answer

sickle cell anaemia

Answer

cystic fibrosis

Question 32

Which is an example of incomplete dominance

Accepted Answer

snapdragons flower color

Answer

roan cows

Answer

blood types

Question 33

Codominance occurs in all of the following except

Accepted Answer

snapdragons

Answer

blood types

Answer

roan cows

Question 34

This is sex linked

Accepted Answer

color blindness

Answer

blood types

Answer

sickle cell

Answer

huntingtons

Question 35

Someone with the blood type AB+ is a

Accepted Answer

universal recepient

Answer

universal donor

Question 36

Someone with the blood type O- is a

Accepted Answer

universal donor

Answer

universal recepient

Question 37

Three or more alleles for a gene in a population is called?

Accepted Answer

multiple alleles

Answer

polygenic

Answer

mulitple genetic

Question 38

Two alleles combine and neither dominates.

Accepted Answer

incomplete dominance

Answer

codominance

Answer

multiple alleles

Question 39

Two different alleles are fully expressed.

Accepted Answer

incomplete dominance

Answer

multiple allele

Answer

codominance

Question 40

A trait controlled by two or more genes

Accepted Answer

polygenetic

Answer

incomplete dominance

Answer

codominance

Answer

multiple alleles

Question 41

This disease prevents the breakdown of the amino acid phenyalanine.

Accepted Answer

PKU

Answer

Huntingtons

Answer

cystic fibrosis

Question 42

Trisomy 21 causes

Accepted Answer

down syndrome

Answer

huntingtons

Answer

cystic fibrosis

Answer

PKU

Question 43

Lipids accumulate in the brain

Accepted Answer

Tay sachs

Answer

huntingtons

Answer

PKU

Answer

sickle cell

Question 44

Which is not a base in DNA

Accepted Answer

uracil

Answer

guanine

Answer

cytosine

Answer

thymine

Question 45

This enzyme helps make new DNA during replication

Accepted Answer

DNA polymerase

Answer

RNA polymerase

Answer

anhydrase

Answer

amylase

Question 46

This is not a step of DNA replication

Accepted Answer

RNA breaks up DNA

Answer

back bone assembled

Answer

DNA unzips

Answer

bases pair up

Question 47

Using Chargaff's rule, the amount of adenine in DNA is equal to the amount of _________

Accepted Answer

thymine

Answer

guanine

Answer

cytosine

Answer

uracil

Question 48

Molecules of DNA are composed of long chains of __________________

Accepted Answer

nucleotides

Answer

monosacharides

Answer

glycerols

Answer

amino acids

Question 49

A strand of DNA with 20% guanine has __________% cytosine, __________% adenine, and _____________% thymine

Accepted Answer

20, 30, 30

Answer

80, 20, 80

Answer

30, 20, 30

Answer

30, 30, 20

Question 50

What is the structure of DNA

Accepted Answer

double helix

Answer

triple helix

Answer

inverted helix

Answer

single helix

Question 51

A DNA template strand GATTACA would have ______________on the complimentary strand

Accepted Answer

CTAATGT

Answer

CUAAUGU

Answer

GATTACA

Answer

TCGGCAC

Question 52

DNA nucleotides contain ___________________, while RNA nucleotides contain ____________.

Accepted Answer

thymine, uracil

Answer

guanine, cytosine

Answer

cytosine, guanine

Answer

adenine, uracil

Question 53

The first step of protein synthesis is ______________________

Accepted Answer

transcription

Answer

initiation

Answer

translation

Answer

translocation

Question 54

Transcription occurs in the ____________

Accepted Answer

nucleus

Answer

ribosome

Answer

cytoplasm

Question 55

During transcription, ____________is made from a ____________template.

Accepted Answer

mRNA, DNA

Answer

tRNA, DNA

Answer

rRNA, DNA

Question 56

This enzyme make RNA during transcription.

Accepted Answer

RNA polymerase

Answer

RNA growinase

Answer

DNA polymerase

Question 57

Most RNA molecules contain ______________ instead of ______________

Accepted Answer

uracil, thymine

Answer

uracil, guanine

Answer

uracil, adenine

Question 58

This type of RNA carries DNA's message from the nucleus after transcription.

Accepted Answer

mRNA

Answer

tRNA

Answer

rRNA

Question 59

If the DNA template was TACGCGTTA, the mRNA would read:

Accepted Answer

AUGCGCAAU

Answer

UTGCGCUUT

Answer

TACGCGTTA

Answer

ATGCGCAAT

Question 60

The second step of protein synthesis is

Accepted Answer

translation

Answer

transcription

Answer

translocation

Question 61

Translation occurs in the

Accepted Answer

cytoplasm

Answer

nucleus

Answer

cell membrane

Question 62

In order for protein synthesis to occur, mRNA must attach to a

Accepted Answer

ribosome

Answer

cell membrane

Answer

mitochondria

Answer

nucleus

Question 63

This type of RNA will read the mRNA three bases at a time.

Accepted Answer

tRNA

Answer

sRNA

Answer

uRNA

Answer

rRNA

Question 64

Every three bases on the mRNA is called a(n)

Accepted Answer

codon

Answer

tRNA

Answer

rRNA

Answer

anticodon

Related quizzes

Related quizzes