MGRADES UPDATED EXAMS
BIOL 1001 Test 2 UPDATED ACTUAL
Exam Questions and CORRECT Answers
Alleles - CORRECT ANSWER - Alternative forms of a gene.
Meiosis - CORRECT ANSWER - Comprised of Meiosis I and Meiosis II. Process occurs
with gametes.
Synapsis - CORRECT ANSWER - Process of chromosomes coming together.
Synaptonemal Complex - CORRECT ANSWER - Held together by a protein cap. Occurs
in Metaphase I.
Crossing Over - CORRECT ANSWER - Synaptonemal Complex is occuring and the legs
of the chromosomes overlap. (only happens sometimes)
Crossing Over - CORRECT ANSWER - Recombination is caused by ___ ___.
Metaphase
Strattle - CORRECT ANSWER - In ____ I of meiosis, the pairs (homologus) ___ the
equatorial plane.
Late Prophase I - CORRECT ANSWER - What stage does crossing over occur if it does?
Reduction Division
Diploid
Haploid - CORRECT ANSWER - Meosis I ends with ___ ___ because you start with a
___ cell and end with a ___ cell.
, MGRADES UPDATED EXAMS
46
23 - CORRECT ANSWER - In humans, you start with ___ chromosomes in a cell, and
end with ___ chromosomes in 2 cells.
Genetics - CORRECT ANSWER - The study of the inheritance of traits.
Interphase - CORRECT ANSWER - The chromosomes replicate during the S phase of
___.
Prophase I, chromosomes, cross over, fragment, poles - CORRECT ANSWER - The
replicated chromatin begins to coil into recognizable ___ and the homologues synapse;
chromatids may ___ ___; the nuclear membrane and nucleoli ___; centrioles move to form the
cell's ___; spindle fibers are formed.
Metaphase I, equitorial, fibers, centromeres, independently - CORRECT ANSWER -
Synapsed homologous chromosomes align as pairs along the ___ plane and attach to the spindle
___ at their ___; each pair positions itself ___ of all others.
Anaphase I, seperate, poles - CORRECT ANSWER - Homologous pairs of chromosomes
___ from one another as they move toward the ___ of the cell.
Telophase I, haploid, homologous, re-form, fragment, unwind, chromosomes, chromatin -
CORRECT ANSWER - The newly forming daughter cells are now ___ (n) since each only
contains one of each pair of ___ chromosomes; the nuclear membranes and nucleoli ___; spindle
fibers ___; the chromosomes ___ and change from ___ (composed of two chromatids) to ___.
Prophase II, haploid, chromosomes, chromatids, fragments, poles, form - CORRECT
ANSWER - Each of the two ___ (n) daughter cells from meiosis 1 undergoes chromatin
coiling to form ___ composed of two ___; the nuclear membrane ___; centrioles move to form
the cell's ___; spindle fibers ___.
Metaphase II, equator, centromeres - CORRECT ANSWER - Chromosomes move to the
___ of the cell and attach to the spindle fibers at the ___.
BIOL 1001 Test 2 UPDATED ACTUAL
Exam Questions and CORRECT Answers
Alleles - CORRECT ANSWER - Alternative forms of a gene.
Meiosis - CORRECT ANSWER - Comprised of Meiosis I and Meiosis II. Process occurs
with gametes.
Synapsis - CORRECT ANSWER - Process of chromosomes coming together.
Synaptonemal Complex - CORRECT ANSWER - Held together by a protein cap. Occurs
in Metaphase I.
Crossing Over - CORRECT ANSWER - Synaptonemal Complex is occuring and the legs
of the chromosomes overlap. (only happens sometimes)
Crossing Over - CORRECT ANSWER - Recombination is caused by ___ ___.
Metaphase
Strattle - CORRECT ANSWER - In ____ I of meiosis, the pairs (homologus) ___ the
equatorial plane.
Late Prophase I - CORRECT ANSWER - What stage does crossing over occur if it does?
Reduction Division
Diploid
Haploid - CORRECT ANSWER - Meosis I ends with ___ ___ because you start with a
___ cell and end with a ___ cell.
, MGRADES UPDATED EXAMS
46
23 - CORRECT ANSWER - In humans, you start with ___ chromosomes in a cell, and
end with ___ chromosomes in 2 cells.
Genetics - CORRECT ANSWER - The study of the inheritance of traits.
Interphase - CORRECT ANSWER - The chromosomes replicate during the S phase of
___.
Prophase I, chromosomes, cross over, fragment, poles - CORRECT ANSWER - The
replicated chromatin begins to coil into recognizable ___ and the homologues synapse;
chromatids may ___ ___; the nuclear membrane and nucleoli ___; centrioles move to form the
cell's ___; spindle fibers are formed.
Metaphase I, equitorial, fibers, centromeres, independently - CORRECT ANSWER -
Synapsed homologous chromosomes align as pairs along the ___ plane and attach to the spindle
___ at their ___; each pair positions itself ___ of all others.
Anaphase I, seperate, poles - CORRECT ANSWER - Homologous pairs of chromosomes
___ from one another as they move toward the ___ of the cell.
Telophase I, haploid, homologous, re-form, fragment, unwind, chromosomes, chromatin -
CORRECT ANSWER - The newly forming daughter cells are now ___ (n) since each only
contains one of each pair of ___ chromosomes; the nuclear membranes and nucleoli ___; spindle
fibers ___; the chromosomes ___ and change from ___ (composed of two chromatids) to ___.
Prophase II, haploid, chromosomes, chromatids, fragments, poles, form - CORRECT
ANSWER - Each of the two ___ (n) daughter cells from meiosis 1 undergoes chromatin
coiling to form ___ composed of two ___; the nuclear membrane ___; centrioles move to form
the cell's ___; spindle fibers ___.
Metaphase II, equator, centromeres - CORRECT ANSWER - Chromosomes move to the
___ of the cell and attach to the spindle fibers at the ___.
