Quiz 10 Biology Final Wanda

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All of the following are
sources of genetic variety except
D.
synapsis


Which of these is not
a unique feature of meiosis?





Diploid
daughter cells

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




A.


TRUE




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

Independent assortment
The process of independent
assortment
refers to:

the orientation of
homologous chromosomes at metaphase I




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


























E.


van
Beneden


100%




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






















C.


crossing
over




During which stage of
meiosis does crossing over occur?






















A.


Prophase
I


100%




Bacteria reproduce by
meiosis.
FALSE
Independent assortment of
homologous chromosomes occurs at:
metaphase I
In plants like the fern,
haploid cells produced by meiosis divide by _________, forming a multicellular
haploid phase
mitosis
In animals, asexual
reproduction can involve the budding off of cells which grow by mitosis into a
new individual.
TRUE




When does separation of homologous chromosomes occur?







Anaphase I
Some organisms are able to
reproduce both sexually and asexually
TRUE
In humans, how many
different kinds of gametes can be produced due to independent assortment only?
223
Meiosis is also known as
reduction division
TRUE
Reproduction by mitosis only is asexual.
TRUE






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













FALSE




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





























A.


homologous
chromosomes, chromatids




Why is crossing over not
possible in meiosis II?






















A.


Because
homologous chromosomes are no longer in the same cell.




The main difference between
prophase I and II is that in prophase I:
synapsis and crossing over
occurs
In humans, _____________
divide by meiosis to produce eggs and sperm.
germ-line cells




Which is incorrect about meiosis?











Sister
chomatids separate in anaphase I.




Animals do which type of
reproduction?




Sexual
and asexual




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




C.


Metaphase
II