BIOL 1001 Test 2 UPDATED ACTUAL Exam Questions and CORRECT Answers

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 ___.