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Quizzez de bio

Total questions: 20

Worksheet time: 18mins

Name
Class
Date
1.

what is a haploid

a)

a cell with half of the needed genetic composition

b)

a cell with no genetic composition

c)

a single celled organism which does not produce variable offspring

d)

a cell that is made up of the need chromosomes.

2.

egg and sperm cells are what?

a)

dipoids

b)

haploids

c)

incomplete

d)

part of mitosis

3.

what is meiosis

4 lines
4.

what is the point of meiosis

a)

produce offspring

b)

reduces genetic information in the parent cell

c)

reduce the amount of genetic information in the daughter cell in half

d)

similar to mitosis

5.

which are parts of meiosis

a)

telophase

b)

genetic duplication

c)

metaphase

d)

prophase

e)

anaphase

6.
What phase is  shown in the picture?
a)
anaphase 1
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
7.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
8.

Which process and type of resulting cells are represented?

a)

mitosis, gametes

b)

mitosis, body cells

c)

meiosis, gametes

d)

meiosis, body cells

9.
Which of the following cell types is formed by meiosis?
a)
muscle cells
b)
skin cells
c)
sperm cells
d)
blood cells
10.
When does the nuclear membrane break down?
a)
anaphase
b)
telphase
c)
prophase
d)
metaphase
11.
The end of meiosis results in  ____ to each other.
a)
2 cells that are identical
b)
4 cells that are identical
c)
2 cells that are not identical
d)
4 cells that are not identical
12.
What is the name of the structure labeled X?
a)
Centriole
b)
Centrosome
c)
Chromatid
d)
Chromosome 
13.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
14.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
15.
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
16.
If a somatic cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
a)
3
b)
6
c)
12
d)
24
17.
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
18.

A diploid cell has 12 chromosomes. How many chromosomes does the haploid cell of that organism have?

a)

6

b)

12

c)

24

19.

How does a sex cell differ from a body cell?

a)

A sex cell does not contain chromosomes.

b)

A sex cell contains homologous chromosomes.

c)

A sex cell has the same number of chromosomes as a body cell.

d)

A sex cell has half the amount of genetic material as a body cell.

20.

_____ is the process in sexual reproduction in which male and female reproductive cells join to form a new cell.

a)

fertilization

b)

meiosis

c)

mitosis

d)

gamete