Quiz 10 Biology final Wanda

Total Flash Cards » 25
 
1. 

All of the following are
sources of genetic variety except

 



D.

synapsis


 
2. 

Which of these is not
a unique feature of meiosis?

 








Diploid
daughter cells

 
3. 

The arrangement of the
chromosomes in metaphase I of meiosis is not important as long as homologues
pair.

 








A.



TRUE




 
4. 

The random orientation of different
pairs of homologous chromosomes on the metaphase plate is responsible for
__________.

 


Independent assortment

 
5. 

The process of independent
assortment
refers to:

 


the orientation of
homologous chromosomes at metaphase I

 
6. 







Which scientist is credited with proposing in 1887 that an egg
and a sperm fuse to form a zygote?




 



























E.



van
Beneden



100%




 
7. 

The alignment of homologous
chromosomes with the exchange of genetic information between them is known as:

 


























C.



crossing
over




 
8. 

During which stage of
meiosis does crossing over occur?

 



























A.



Prophase
I



100%




 
9. 

Bacteria reproduce by
meiosis.

 

FALSE

 
10. 

Independent assortment of
homologous chromosomes occurs at:

 

metaphase I

 
11. 

In plants like the fern,
haploid cells produced by meiosis divide by _________, forming a multicellular
haploid phase

 

mitosis

 
12. 

In animals, asexual
reproduction can involve the budding off of cells which grow by mitosis into a
new individual.

 

TRUE

 
13. 










When does separation of homologous chromosomes occur?




 

Anaphase I

 
14. 

Some organisms are able to
reproduce both sexually and asexually

 

TRUE

 
15. 

In humans, how many
different kinds of gametes can be produced due to independent assortment only?

 

223

 
16. 

Meiosis is also known as
reduction division

 

TRUE

 
17. 

Reproduction by mitosis only is asexual.


 

TRUE

 
18. 









After meiosis, the gamete joins with another gamete in all
eukaryotic organisms.













 

FALSE

 
19. 










In anaphase I, ________ separate and in anaphase II,
____________ separate.




 


























A.



homologous
chromosomes, chromatids




 
20. 

Why is crossing over not
possible in meiosis II?

 


























A.



Because
homologous chromosomes are no longer in the same cell.




 
21. 

The main difference between
prophase I and II is that in prophase I:

 

synapsis and crossing over
occurs

 
22. 

In humans, _____________
divide by meiosis to produce eggs and sperm.

 

germ-line cells

 
23. 










Which is incorrect about meiosis?




 







Sister
chomatids separate in anaphase I.




 
24. 

Animals do which type of
reproduction?

 







Sexual
and asexual




 
25. 

During which stage do
chromosomes line up in single file on the equatorial plane?

 








C.



Metaphase
II