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Unit 4 Part 1 Review

Total questions: 61

Worksheet time: 33mins

Name
Class
Date
1.

What stage is the picture showing

a)

Anaphase I

b)

Metaphase I

c)

Anaphase II

d)

Metaphase II

2.

What is the one pair of homologous chromosomes called

a)

Tetrad

b)

Sister chromatids

c)

Crossing over

d)

Homologous chromosomes

3.

What happens in Prophase 1 that causes everyone to have variability (look different)

a)

Nucleus breaks down

b)

Centrioles move to the other side

c)

Chromosomes are visible

d)

Crossing over

4.

When does Crossing over occur

a)

Prophase II

b)

Prophase I

c)

Interphase

d)

Cytokinesis

5.

Which of the following is true about meiosis but not mitosis

a)

The chromosomes are doubled in the new (daughter) cells

b)

The chromosomes are halved in the new (daughter) cells

c)

All new (daughter) cells are identical

d)

Each new (daughter) cell has the same amount of genetic information as the parent

6.

An oocyte and spermatocyte are both

a)

Haploid

b)

Germ Cells

c)

Sex cells

d)

Somatic cells

7.

If a sex cells divided by using mitosis, predict the results of an egg fertilized by sperm?

a)

Fertilized egg would be identical to only one parent

b)

Fertilized egg would create two identical cells

c)

Fertilized egg would have double the chromosomes needed

d)

Fertilization would cause crossing over and recombination of genes

8.

When do homologous chromosomes separate

a)

Anaphase I

b)

Anaphase II

c)

Metaphase I

d)

Metaphase II

9.

When do sister chromatids separate

a)

Anaphase I

b)

Anaphase II

c)

Metaphase I

d)

Metaphase II

10.

Sexually producing organisms must create organisms with the same chromosomes number. Due to this ______ must be formed by _______. This makes sure that each new organism has the same number of chromosomes

a)

Gametes; meiosis

b)

Gametes; mitosis

c)

somatic cells; meiosis

d)

sex cells; mitosis

11.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
12.
This produces 2 identical cells.
a)
mitosis
b)
meiosis
13.
A human usually has xx amount of chromosomes.
a)
6
b)
22
c)
4
d)
46
14.
What is it called when a sperm and egg meet?
a)
meiosis
b)
fertilization
c)
cell division
d)
mitosis
15.
What phase is  shown in the picture?
a)
anaphase 1
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
16.
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
a)
23, 46
b)
46, 23
c)
2, 4
d)
50, 100
17.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
18.
Unlike mitosis, meiosis in male mammals results in the formation of
a)
one haploid gamete
b)
three diploid gametes
c)
four diploid gametes
d)
four haploid gametes
19.
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs
a)
crossing over
b)
mutagenesis
c)
hybridization
d)
fertilization
20.
What kind of cells are made in MEIOSIS?
a)
Haploid Gametes
b)
Diploid Somatic Cells
c)
Skin Cells
d)
Liver Cells
21.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
22.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
23.
Goes through P.M.A.T two rounds 
a)
Mitosis
b)
Meiosis
c)
Osmosis
d)
Transcription
24.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
25.
If a somatic cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
a)
3
b)
6
c)
12
d)
24
26.
The chromosomes that pair up during meiosis, are called __________ chromosomes.  
a)
homozygous 
b)
asexual
c)
homologous
d)
genes
27.
A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?
a)
20
b)
40
c)
80
d)
160
28.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
29.
Identify the phase.
a)
Metaphase I
b)
Metaphase II
c)
Prophase I
d)
Anaphase II
30.
This picture shows which process?
a)
mitosis
b)
meiosis
c)
the cell cycle
31.
A dog has 78 chromosomes in its body cells.  What is the diploid number?
a)
78
b)
39
c)
1
d)
100
32.
A Goat has 60 chromosomes in its body cells.  What is the haploid number?
a)
60
b)
30
c)
100
d)
120
33.
A human has 46 chromosomes in their body cells.  What is the haploid number?
a)
46
b)
92
c)
23
d)
12
34.
Mitosis produces cells with haploid or diploid number of chromosomes?
a)
Haploid
b)
Diploid
35.
Meiosis produces cells with a haploid or diploid number of chromosomes?
a)
Haploid
b)
Diploid
36.
Body cells have diploid or haploid number of chromosomes?
a)
Haploid
b)
Diploid
37.
Gametes have haploid or diploid number of chromosomes?
a)
Haploid
b)
Diploid
38.
How many cells are produced in Mitosis?
a)
1
b)
2
c)
3
d)
4
39.
Are the cells in Mitosis identical or unique?
a)
Identical 
b)
Unique
c)
It's random
40.
In which phase do chromosomes move away to opposite sides of the cell?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
41.
What occurs during interphase?
a)
Two cells are formed
b)
The nucleus disappears
c)
Chromosomes line up in the middle of the cell
d)
DNA synthesized and cell grows
42.
What type of cells are produced in meiosis?
a)
Body Cells
b)
Gametes
c)
Hair cells
d)
Liver cells
43.
How many cells are produced in meiosis?
a)
1
b)
2
c)
3
d)
4
44.
Are the cells produced in meiosis identical or unique?
a)
Identical
b)
Unique
c)
It's random
45.
What happens in Meiosis that causes the cells produced to be unique?
a)
Metaphase 2
b)
Interphase
c)
Splitting of Cytoplasm
d)
Crossing Over
46.
A dog has 78 chromosomes in its body cells.  What is the diploid number?
a)
78
b)
39
c)
1
d)
100
47.
A Goat has 60 chromosomes in its body cells.  What is the haploid number?
a)
60
b)
30
c)
100
d)
120
48.
A human has 46 chromosomes in their body cells.  What is the haploid number?
a)
46
b)
92
c)
23
d)
12
49.
Mitosis produces cells with haploid or diploid number of chromosomes?
a)
Haploid
b)
Diploid
50.

What pairs of chromosomes are autosomes

a)

1-22

b)

1-10

c)

23

d)

0

51.

2N = 40

What type of cell is this?

a)

Diploid

b)

Haploid

c)

Sex Cells

d)

Gametes

52.

A _____ is a specific location on a chromosome, consisting of a segment of DNA, that codes for a specific protein

a)

Gene

b)

Genome

c)

Punnett Square

d)

DNA

53.

What does an egg contribute that a sperm does not

a)

Organelles

b)

DNA

c)

Baby

d)

Nothing

54.

In pea plants, the trait for tall stems is dominant over the trait for short stems. If two heterozygous plants are crossed, what percentage of the offspring would have the same phenotype as the parents?

a)

100

b)

25

c)

50

d)

75

55.

A woman has the genotype GgSs.

What gametes can she pass down?

a)

G,g,S,s

b)

GG, gg, SS, ss

c)

GgSs

d)

GS, Gs, gS, gs

56.

Some alleles are dominant and others are recessive. An organism with at least one dominant allele for a particular form of a trait will exhibit that form of the trait. An organism with a recessive allele for a particular form of a trait will exhibit that form only when the dominant allele for the trait is not present. This states the

a)

Law of Dominance

b)

Law of Independent Assortment

c)

Law of Segregation

d)

Law of alleles

57.

Which of the following could be a carrier for an autosomal trait

a)

Aa

b)

AA

c)

aa

58.

Which of the following is true about sex linked traits

a)

Women have more sex linked disorders than men

b)

Women can be carriers of trait. Men cannot

c)

Men can be carriers of the trait. Women can not

d)

Men have have an extra chromosome that allows for them to mask recessive traits

59.

A female who produces a lot of Lactase has children with a men who produces no Lactase. Their children produce some Lactase. What phenomenon is this

a)

Incomplete dominance

b)

Complete dominance

c)

Codominance

d)

Multiple Alleles

60.

Oocytes and spermatocytes are what type of cells?

a)

Germ cell

b)

Sex cell

c)

Haploid

d)

Gametes

61.

Two similar chromosomes that you inherit from your parents (one from your mother, one from your father) that are the same size and carry the same types of genes at the same location are called _________

a)

Homologous Chromosomes

b)

Sister Chromatids

c)

Sex Chromosomes

d)

Genome

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