Quiz about Genetics

Question 1

Which of the following is heterozygous?

Accepted Answer

Mm

Answer

MM

Answer

mm

Question 2

Which of the following is homozygous dominant?

Accepted Answer

RR

Answer

Rr

Answer

rr

Question 3

Which of the following is homozygous recessive?

Accepted Answer

qq

Answer

QQ

Answer

Qq

Question 4

What term denotes the physical expression of a gene?

Accepted Answer

phenotype

Answer

genotype

Answer

appearance

Answer

homologous

Question 5

Which of the following would produce a recessive phenotype?

Accepted Answer

hh

Answer

Rr

Answer

Ww

Answer

BB

Question 6

What organism did Mendel study?

Accepted Answer

pea plants

Answer

onions

Answer

mice

Answer

cats

Question 7

T - tall and t = short
In the punnett square below, what belongs in the missing square

Accepted Answer

tt

Answer

Tt

Answer

Bb

Answer

TT

Question 8

A ________________________ is used to predict the possible genotype from certain parents

Accepted Answer

Punnett Square

Answer

Mendel Grid

Answer

Genetic Tic Tac Toe

Answer

Pedigree Plot

Question 9

Heredity is the passing of traits from _____________________ to _____________________

Accepted Answer

parents to offspring

Answer

predators to prey

Answer

water to rain

Answer

fungi to protists

Question 10

___________________________ is the field of science that studies of how traits are passed on, or inherited.

Accepted Answer

genetics

Answer

dominant traits

Answer

ratio

Answer

phenotype

Question 11

Which is a true statements about this picture?

Accepted Answer

Brown is dominant

Answer

Brown is recessive

Answer

Blue is dominant

Answer

Blue is codominant

Question 12

What is a gene?

Accepted Answer

a piece of a DNA on chromosome that codes for a trait

Answer

An entire chromosome that  codes for a trait

Answer

a piece of clothing

Answer

Chemical messengers in your brain that code for a trait

Question 13

Which of the following is a genetic trait?

Accepted Answer

eye color

Answer

time

Answer

temperature

Answer

diet

Question 14

If black fur is dominant and white fur is recessive, what are the possible offspring of two black mice bred together?

Accepted Answer

any of the above are possible, depending on the parents' genotypes

Answer

all black

Answer

all white

Answer

half white and half black

Question 15

The mathematical chance that something will happen is known as...

Accepted Answer

probability

Answer

chance

Answer

luck

Question 16

The different forms of genes are known as

Accepted Answer

alleles

Answer

environment

Answer

probability

Answer

traits

Question 17

An allele or gene that always shows is

Accepted Answer

dominant

Answer

recessive

Answer

hidden

Answer

present

Question 18

What would the ratio for genotypes be for this Punnett Square?

Accepted Answer

2Bb:2bb

Answer

2BB:2Bb

Answer

1BB:2Bb:1bb

Answer

4Bb

Question 19

In pea plants, tall is dominant to short. If 2 heterozygous plants are crossed, what % of the offspring will be short?

Accepted Answer

25%

Answer

0%

Answer

50%

Answer

75%

Question 20

Which word is a synonym for 'cross' in the context of genetics?

Accepted Answer

Hybridization

Answer

Intersection

Answer

Pathway

Answer

Barrier

Question 21

What are the two laws identified by Mendel?

Accepted Answer

Law of Segregation and Law of Independent Assortment

Answer

Law of Genetics and Law of Probability

Answer

Law of Dominance and Law of Inheritance

Answer

Law of Blending and Law of Traits

Question 22

What size Punnett square is needed in a monohybrid cross?

Accepted Answer

4 squares

Answer

16 squares

Answer

2n

Answer

1n

Question 23

What does a circle represent in a pedigree?

Accepted Answer

A female

Answer

A parent

Answer

A male

Answer

A child

Question 24

The phenotype for box 2.

Accepted Answer

Free earlobes, red hair

Answer

attached earlobes, non-red hair

Answer

Free earlobes, non-red hair

Answer

Attacched earlobes, red hair

Question 25

Mendel stated "Gametes separate their genetic alleles during formation" in his...

Accepted Answer

Law of Separation

Answer

Law of Dominance

Answer

Law of Independent Assortment

Answer

Law of Genetics

Question 26

Mendel stated "The law of Segregation must happen so that when there are more than one gene for a trait (one from mom, one from dad) each trait has an independent chance of being expressed" in his...

Accepted Answer

Law of Independent Assortment

Answer

Law of Separation

Answer

Law of Dominance

Answer

Law of Genetics

Question 27

What phase is this cell at?

Accepted Answer

Metaphase I

Answer

Anaphase I

Answer

Telophase I

Answer

Prophase I

Question 28

What stage is this cell at?

Accepted Answer

Cytokinesis I

Answer

Cytokinesis II

Answer

Metaphase II

Answer

Anaphase II

Question 29

In humans, the haploid number of chromosomes is ____.

Accepted Answer

23

Answer

46

Answer

69

Answer

92

Question 30

Which of the following is the best definition for MEIOSIS?

Accepted Answer

a two-step process that reduces the number of chromosomes in half such that there is only one copy of all the chromosomes

Answer

the process of two haploid cells uniting

Answer

the counting of chromosomes within a diploid cell

Answer

the equational division of a cell into two identical copies

Question 31

True or False? Before cells undergo meiosis they pass through interphase first.

Accepted Answer

true

Answer

false

Question 32

In which stage of MEIOSIS does crossing over occur? (The exchange of genetic material between chromosomes in a tetrad.)

Accepted Answer

Prophase I

Answer

Anaphase I

Answer

Metaphase I

Answer

Telophase I

Question 33

In Anaphase II, the _________ separate.

Accepted Answer

Sister Chromatids

Answer

Homologues

Answer

Tetrads

Answer

Centrioles

Question 34

How many cells are formed at the end of Meiosis II?

Accepted Answer

4

Answer

2

Answer

3

Answer

8

Question 35

Which of the following are CORRECT observations about the differences between MITOSIS and MEIOSIS? (Check all that apply.)

Accepted Answer

Mitosis produces cells that identical to the parent cell.

Accepted Answer

Meiosis produces cells that have half the number of chromosomes as the parent cell.

Accepted Answer

All cells go through INTERPHASE as part of the cell cycle, whether it goes to mitosis or meiosis next.

Accepted Answer

In both types of cell division, the chromosomes are only duplicated once.

Answer

Only in Mitosis, do you see chromosomes pair up to form a tetrad.

Question 36

The products of MEIOSIS have _______ number of chromosomes.

Accepted Answer

haploid

Answer

diploid

Question 37

During anaphase

Accepted Answer

Each DNA gets pull to the opposite sides of the cell

Answer

DNA lines up in the middle of the cell and DNA attaches to spindle fibers

Answer

centrioles and spindle fibers appear

Answer

DNA gets copied

Question 38

Which phase is shown here?

Accepted Answer

metaphase

Answer

prophase

Answer

anaphase

Answer

telophase

Question 39

Mitosis results in the formation of...

Accepted Answer

Two identical cells with all of the original chromosomes

Answer

Two different cells with half of the original chromosomes

Answer

Four identical cells with all of the original chromosomes

Answer

Four different cells with half of the original chromosomes

Question 40

What is the purpose of mitosis?

Accepted Answer

To allow cells to divide for growth, repair, and renewal

Answer

To increase the surface area of a cell

Answer

For increasing genetic variation within a species

Answer

To allow for DNA replication and protein synthesis

Question 41

What is the longest stage of the cell cycle called?

Accepted Answer

Interphase

Answer

Cytokinesis

Answer

M phase

Answer

G1 Phase

Question 42

In general, the purpose of a checkpoint in the cell cycle is:

Accepted Answer

To check for any errors

Answer

To allow the cell to rest

Answer

To signal cell replication

Answer

To signal DNA replication

Question 43

Why is it important for the chromosomes to condense during mitosis?

Accepted Answer

to facilitate chromosome movement without tangling and breaking

Answer

to facilitate DNA replication

Answer

to facilitate cytokinesis and formation of a cell plate

Answer

to facilitate microtubule spindle formation

Question 44

In mitosis, the two resulting cells are

Accepted Answer

identical to the starting cell and identical to each other.

Answer

different from the starting cell and identical to each other.

Answer

different from the starting cell and different from each other.

Answer

identical to the starting cell and different from each other.

Question 45

A chromatid is attached to a spindle fiber by the

Accepted Answer

centromere

Answer

nucleolus

Answer

deep furrow

Answer

centriole

Question 46

Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have ...

Accepted Answer

8 chromosomes.

Answer

16 chromosomes.

Answer

46 chromosomes.

Answer

4 chromosomes.

Question 47

The structure shown in the diagram is a _____________?

Accepted Answer

chromosome

Answer

chromatid

Answer

centromere

Answer

DNA

Question 48

Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?

Accepted Answer

In order for genetic information to be transferred into daughter cells.

Answer

In order for the cell to be able to increase in size.

Answer

In order for the DNA to be contained in the nucleus.

Answer

In order for the cell to re-order the DNA sequencing in the new cells.

Question 49

What phase does DNA replication take place?

Accepted Answer

Synthesis stage

Answer

G1 stage

Answer

G2 stage

Genetics

50 questions

Which of the following is heterozygous?

Which of the following is homozygous dominant?

Which of the following is homozygous recessive?

What term denotes the physical expression of a gene?

Which of the following would produce a recessive phenotype?

What organism did Mendel study?

T - tall and t = short
In the punnett square below, what belongs in the missing square

A ________________________ is used to predict the possible genotype from certain parents

Heredity is the passing of traits from _ to _

___________________________ is the field of science that studies of how traits are passed on, or inherited.

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Genetics

50 questions

Which of the following is heterozygous?

Which of the following is homozygous dominant?

Which of the following is homozygous recessive?

What term denotes the physical expression of a gene?

Which of the following would produce a recessive phenotype?

What organism did Mendel study?

T - tall and t = shortIn the punnett square below, what belongs in the missing square

A ________________________ is used to predict the possible genotype from certain parents

Heredity is the passing of traits from _____________________ to _____________________

___________________________ is the field of science that studies of how traits are passed on, or inherited.

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

T - tall and t = short
In the punnett square below, what belongs in the missing square

Heredity is the passing of traits from _ to _