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5.4 Meiosis and gene Linkage

Total questions: 67

Worksheet time: 17hrs 45mins

Name
Class
Date
1.

Chromosome numbers vary among species usually present with letter

a)

D

b)

N

c)

C

d)

H

2.

The number or chromosomes will vary among cells of same individual between body/somatic cells and gametes/sex cells

a)

True

b)

False

3.

Haploid refer to ___ set of chromosome

a)

One set

b)

pairs of chromosome

c)

Triple of chromosome

4.

Diploid refer to ___ set of chromosome

a)

One set

b)

pairs of chromosome

c)

Triple of chromosome

5.

Haploid, In human (n) =

a)

46 chromosomes

b)

23 chromosome

c)

84 chromosome

d)

Uncountable chromosomes

6.

Diploid , In human (2n) =

a)

46 chromosomes

b)

23 chromosome

c)

84 chromosome

d)

Uncountable chromosomes

7.

Examples of haploid :

a)

Only brain cells

b)

Only gametes (sperm and ova)

c)

Only somatic cells

8.

Examples of Diploid :

a)

Only brain cells

b)

Only gametes (sperm and ova)

c)

Only somatic cells

“Body cells”

9.

is an:

a)

Haploid

b)

Diploid

10.

is an:

a)

Haploid

b)

Diploid

11.

If ye cell of a lizard has 16 chromosomes what will be number or chromosomes in her egg (sex cell)?

a)

8

b)

4

c)

16

d)

32

12.

Mika has N set of chromosomes in his gametes. What will be the number of chromosome in his body cell?

a)

4

b)

0

c)

1

d)

2

13.

The diploid cells of most adult organisms contain “x” complete sets of inherited chromosomes and “y” completer sets of genes

a)

X = 2

Y = 4

b)

X = 2

Y = 2

c)

X = 4

Y = 2

d)

X = 4

Y = 4

14.

Homologous chromosomes

a)

A pair of chromosome that come from one of the parents

b)

A pair of chromosome that come one from the mother and one from the father

c)

A pair of chromosome that come from the mother

d)

A pair of chromosome that come from the father

15.

Homologous chromosomes are chromosomes that have:

I : opposite structural features

II: same size

III: same banding patters

IV: same centromere(positions)

v: same genes

a)

V and III and II

b)

All of the above

c)

Only I and II

d)

II, III, IV, V

e)

V and I

16.
a)

INCREASES GENETIC VARIATION

b)

TAKES PLACE IN PROPHASE I

c)

CROSSING OVER

d)

ALL ARE TRUE

17.

CROSSING OVER INCREASES

a)

LIFE SPAN

b)

GENETIC VARIATION

c)

THE NUMBER OF OFF-SPRING

d)

ALL ARE TRUE

18.

CROSSING OVER TAKES PLACE DURING

a)

PROPHASE II

b)

PROPHASE I

c)

INTERPHASE

d)

METAPHASE I

19.

DURING WHICH PHASE OF MEIOSIS DOES GENETIC VARIATION INCREASE

a)

PROPHASE II

b)

PROPHASE I

c)

ANAPHASE I

d)

ANAPHASE II

20.
What is it called when a sperm and egg meet?
a)
meiosis
b)
fertilization
c)
cell division
d)
mitosis
21.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
22.
The chromosomes that pair up during meiosis, are called __________ chromosomes.  
a)
homozygous 
b)
asexual
c)
homologous
d)
genes
23.
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
24.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
25.
Chromosomes exchange genetic material during 
a)
crossing over
b)
replication
c)
synthesis
d)
translation
26.
A human being has a somatic cell that has 46 chromosomes.  What is the haploid number found in a gamete?
a)
23
b)
46
c)
69
d)
92
27.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
28.
Identify the phase:
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
29.
Identify the process.
a)
Mitosis
b)
Meiosis I
c)
Meiosis II
d)
Interphase
30.

Is the formation of egg and sperm cells (sex cells/gametes)

a)

Mitosis

b)

Meiosis

c)

Gene linkage

31.

during meiosis special diploid cells undergo DNA replication followed by "x" rounds of cell division, producing "y" haploid sex cells

a)

x = 2

y = 2

b)

x = 4

y = 4

c)

x = 2

y = 4

d)

y = 4

x = 2

32.

the two rounds of meiosis are :

a)

Meiosis 1

Meiosis 2

b)

Meiosis I

Meiosis II

c)

interphase

outer phase

d)

homologous chromosomes round

and

sister chromatid round

33.

separation of homologous is in Meiosis I.

a)

true

b)

false, its in mitosis

c)

false, its in Meiosis II

d)

false, homologous is never in meiosis

34.

separation of sister chromatid is in Meiosis I.

a)

true

b)

false, its in mitosis

c)

false, its in Meiosis II

d)

false, homologous is never in meiosis

35.

in prophase I, Each replicated chromosome pairs with its corresponding

a)

sister chromatid

b)

DNA

c)

genes

d)

homologous chromosomes

36.

in Prophase I, the pairing forms a structure called a linkage, which contains 4 chromatid

a)

True

b)

False, it contains 2 chromatid

c)

False, its called a tetrad

37.

in prophase I, as the chromosomes pair, they sometimes underdo a process called crossing-over in which bits and pieces of the homologous chromosomes are exchanged

a)

True

b)

False, bits and pieces of DNA are exchanged

c)

False, chromosomes never pairs

d)

False, they always undergo the process of crossing-over

38.

is a process during which chromosomal segments are exchanged between a pair of homologous chromosomes

a)

tetrad

b)

crossing over

c)

prophase I

d)

mitosis

39.

crossing-over occurs during Prophase I, when pieces of homologous chromosomes sometimes

a)

replicate

b)

divide

c)

They interfere with each other

d)

swap positions

40.
a)

tetrad

b)

crossing over

c)

prophase I

d)

mitosis

41.

IN meiosis, Prophase I:

a)
b)
c)
d)
42.

Metaphase I, the pairs of homologous chromosomes line up at the equator of the cell

a)

True

b)

False

43.

Metaphase I, the spindle fibers attach to the centromere if each

a)

sister chromatid

b)

tetrad

c)

homologous chromosome

d)

gene linkage

44.

During Metaphase I of mitosis, the homologous chromosomes line up as pairs at the cells equator.

a)

True

b)

False, the homologous never pairs

c)

False, its Metaphase I of meiosis

d)

False, but they never line up

45.

IN meiosis, Prophase I:

a)
b)
c)
d)
e)
46.

IN meiosis, Anaphase I:

a)
b)
c)
d)
e)
47.

when 2 genes are too close can they be separated by crossing over ?

a)

No

b)

Yes

48.

if 2 genes are on the same chromosomes, the distance between them is too close, meaning way to be separated by crossing over so they are?

I : linked gene

II : transferred to other chromosomes

III : inherited together

a)

only I

b)

I and II

c)

II and III

d)

I , II, III

e)

I and III

49.

the alleles with closet distance of crossing over are ______ ______ to be inherited together

a)

most likely

b)

least likely

c)

never

d)

always

50.

the alleles with farthest distance of crossing over are ______ ______ to be inherited together

a)

most likely

b)

least likely

c)

never

d)

always

51.

During Anaphase I, the homologous chromosomes separate, Each member of the pair is guided by spindle fibers and moves toward the inside poles of the cell.

a)

True

b)

False, they moves toward opposite poles of the cell

c)

False, this is during Telphase

52.

during anaphase I, each homologous chromosomes still consists of 2 sister chromatid.

a)

True

b)

False, they are already separated in metaphase

c)

False, homologous chromosomes is never consists of 2 sister chromatid

53.

in telophase, the homologous chromosomes, consisting of 2 sister chromatid reach the

a)

inside of the DNA

b)

the cell membrane

c)

the cells opposite poles

d)

the crossing over phase

54.

in telophase I, Each pole contain the 2 member of the original pair of homologous chromosomes

a)

True

b)

False, its in metaphase II

c)

False, each pole contains only one member

d)

True, though it could contain more that 2 member

55.

Telophase I, Each chromosomes still consists of 2 sister chromatid joined at the centromere

a)

True

b)

False, they are joined at the poles of the cell

c)

False, they are never joined

56.

the sister chromatid are always identical

a)

True

b)

False, they might not be identical because crossing over might have occurred

c)

False, they are never identical

57.

During telophase I, cytokinesis usually occurs, forming a furrow by pinching in animal cells and by forming a cell plate in plant cells.

a)

True

b)

False

58.

At the end of meiosis 1, "x" daughters cells are present with "y" sets f chromosomes are completely different from each other and form the diploid cell they started with (unlike mitosis, daughters cells are identical to mother cells and each others)

a)

x = 1

y = 1

b)

x = 2

y = 2

c)

x = 3

y = 3

d)

x = 4

y = 4

59.

as the cells enter prophase II, their chromosomes - each consisting of 2 chromatids become _____ . (the chromosome do not pair to form tetrads because the homologous pairs were already separated during meiosis I.

a)

invisible

b)

visible

c)

replicated

60.

During anaphase II, the chromosomes are positioned apart the equator by the spindle fibers.

a)

True

b)

False, its during metaphase II

c)

False, they are positioned together

61.

in telophase I, Each pole contain the 2 member of the original pair of homologous chromosomes

a)

True

b)

False, its in metaphase II

c)

False, each pole contains only one member

d)

True, though it could contain more that 2 member

62.

during which meiosis II phase sisters chromatids are pulled apart at the centromere by the spindle fibers, and the sister chromatid move toward the opposite poles of the cells

a)

Prophase II

b)

Metaphase II

c)

Anaphase II

d)

Telophase II

e)

Cytokinesis II

63.

the chromosomes reach the poles during ______, and the nuclear membrane and nuclei reform.

a)

Prophase II

b)

Metaphase II

c)

Anaphase II

d)

Telophase II

e)

Cytokinesis II

64.

at the end of meiosis II, _____ occurs, resulting "x" haploid cells each with n number of chromosomes

(select all that apply)

a)

x = 4

b)

x = 2

c)

Anaphase II

d)

Telophase II

e)

Cytokinesis II

65.

The haploid cells produced by meiosis develop into the gametes for :

a)

sexual reproduction

b)

asexual reproduction

66.
a)

meiosis I

b)

Meiosis II

67.
a)

meiosis I

b)

Meiosis II

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