Front | Back |
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
|