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Meiosis, Homologous Chromosomes, Crossing Over, Karyotypes

Total questions: 45

Worksheet time: 34mins

Name
Class
Date
1.
Cells that have only one chromosome from each pair
a)
meiosis
b)
haploid
c)
homologous
d)
diploid
2.
The type of reproduction in which the genetic material from two different cells combine
a)
budding
b)
chromosomes
c)
diploid
d)
sexual reproduction
3.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
4.
The female sex cell is called
a)
zygote
b)
sperm
c)
fertilization
d)
egg
5.
The male sex cell is called
a)
egg
b)
zygote
c)
sperm
d)
mitosis
6.
Humans have how may chromosomes ?
a)
112
b)
46
c)
8
d)
67
7.
Mitosis produces how many daughter cells ?
a)
6
b)
4
c)
8
d)
2
8.
Name the growth phase of the cell cycle.
a)
metaphase
b)
telophase
c)
interphase
d)
anaophase
9.
Crossing over occurs in which phase ?
a)
metaphase I
b)
anaphaseII
c)
telophaseII
d)
prohase I
10.
A fertilized egg is called
a)
egg
b)
lettuce
c)
zygote
d)
sperm
11.
What is it called when a sperm and egg meet?
a)
meiosis
b)
fertilization
c)
cell division
d)
mitosis
12.
The chromosomes that pair up during meiosis, are called __________ chromosomes.  
a)
homozygous 
b)
asexual
c)
homologous
d)
genes
13.
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
14.
Compared to the number of chromosomes contained in a body cell, how many chromosomes would normally be contained in a gamete?
a)
The same number
b)
One-fourth as many
c)
Twice as many
d)
Half as many
15.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
16.
What is one of the advantages, why is it better to reproduce sexually versus asexually?
a)
survival of the fittest
b)
overproduction
c)
genetic variation
d)
cloning
17.
Crossing over helps promote 
a)
male genotype
b)
genetic variation
c)
DNA replication
d)
mitosis
18.
A human zygote should have _____ chromosomes inside.
a)
46
b)
23
c)
92
d)
64
19.
Females have ____ and males have _____ chromosomes.
a)
XX, XY
b)
XY, XX
c)
XX, XX
d)
XY, XY
20.
What is this?
a)
Trisomy 13
b)
Monosomy 21
c)
47, XXY
d)
Trisomy 21
21.

CROSSING OVER TAKES PLACE DURING

a)

PROPHASE II

b)

PROPHASE I

c)

INTERPHASE

d)

METAPHASE I

22.

MITOSIS

a)

INCREASES GENETIC VARIATION

b)

ALLOWS TRAITS TO BE PASSED ON TO OFFSPRING

c)

PRODUCES 2 IDENTICAL DAUGHTER CELLS

d)

ALL ARE TRUE

23.

MEIOSIS PRODUCES 4 CELLS-THE CHROMOSOME NUMBER IS ...

a)

DIPLOID

b)

HAPLOID

24.
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
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.

a photograph or picture of chromosomes grouped in ordered pairs is a ______________

a)

pedigree

b)

Punnett Square

c)

Venn Diagram

d)

Karyotype

27.
What is the gender of the individual whose karyotype is seen in the image?
a)
Male
b)
Female
28.
Which structure is labeled as C in the diagram?
a)
Centromere
b)
Chromosome
c)
Sister chromatids
29.
A pair of identical chromosomes shown in a karyotype, one inherited from mom, and one inherited from dad are called
a)
sister chromotids
b)
centromeres
c)
homologous chromosomes
d)
autosomes
30.

If the Diploid number for carrots is 18, the haploid number is

a)

18

b)

9

c)

27

d)

36

31.

What is the diploid number of chromosomes for a bat if the sperm cell has 22 chromosomes?

a)

22

b)

11

c)

44

d)

21

32.

These are the chromosomes of someone with Kleinfelters syndrome. What is different about their chromosomes?

a)

There is only one Y chromosome

b)

One of the 5th chromosomes is too curved

c)

There is an extra X chromosome

d)

There are too few chromosomes

33.

What is the mutation in this persons chromosomes?

a)

There is only one X

b)

7 is shaped like a hockey stick

c)

There's an extra 21

d)

1 is too curved

34.

How many chromosomes does a person with trisomy 18 have?

a)

46

b)

22

c)

47

d)

23

35.

The diagram below represents a change that occurred in a pair of chromosomes during the formation of an egg cell. The alteration that occurred will most likely be passed on to every cell that develops from the egg cell. Why would this type of alteration result in offspring with combinations of traits that differ from those found in either parent?

a)

It converts sex cells into body cells.

b)

It results in the formation of diploid gametes.

c)

. It results in new combinations of genes on each chromosome.

d)

It changes the chromosome number of the body cells that develop from the egg cell.

36.
Autosomes are
a)
chromosomes found in autotrophs, only
b)
chromosomes that automatically correct all errors in the DNA
c)
chromosomes that determine traits other than sex
d)
chromosomes that determine the sex of the individual
37.
The structure labeled A is a(n)
a)
chromatid
b)
centriole
c)
centromere
d)
chromophere
38.

Chromosomes that have the same sequence of genes and the same structure are ___________.

a)

homologous chromosomes

b)

alleles

c)

phenotypes

d)

genotypes

39.

The 23rd pair of chromosomes that do determine the sex of an individual are called ___________.

a)

sex chromosomes

b)

autosomes

c)

homologous

d)

genes

40.
Meiosis produces different types of cells than mitosis. If there was a "meiosis club," all of these cells could be included EXCEPT
(Which cell type is not produced in meiosis?)
a)
gametes
b)
body cells
c)
sperm cells
d)
egg cells
41.
Mitosis is useful for the creation of new cells which is important for all of the following EXCEPT
a)
organism growth.
b)
repair of damage.
c)
replacement of worn out cells.
d)
generation of gametes.
42.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have -
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
43.
Have you ever heard of a skin graft? Skin cells can be harvested from one area and be grown in order to help burn victims or other skin injuries. Which process would result in the development of more skin cells in this treatment? 
a)
Mitosis
b)
Meiosis
c)
Crossing Over
d)
Interphase
44.
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase. 
a)
prophase, metaphase, telophase, anaphase
b)
prophase, anaphase, metaphase, telophase
c)
prophase, metaphase, anaphase, telophase
d)
prophase, telophase, metaphase, anaphase
45.
Body cells may produce additional body cells by means of _________. Organisms that reproduce sexually produce gametes by means of the process of _________.(DOK2). 
a)
mitosis; meiosis
b)
meiosis; mitosis
c)
mitosis; conjugation
d)
meiosis; gametogenesis

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