Biology: UNIT 5 Vocabulary – Cell Reproduction
NAME: _______________________________________________ DATE: _______________ BLOCK: _____
Match the vocabulary term to the correct definition.
1. _D_ Cell Cycle ___ The series of events (cycle) in a cell
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
that includes the cell growing, synthesizing DNA, and
dividing the contents of its nucleus and cytoplasm.
_C_ Interphase ___ The period in the cell cycle during
which the cell is in between cell division (includes cell
growth DNA synthesis, and preparation for cell division).
_E_ S Phase ___ The phase of the cell cycle when the DNA
is synthesized.
_A_ M Phase ___ part of the cell cycle includes the phases
of mitosis and cytokinesis.
_B_ Binary Fission ___ When one organism reproduces an
equal sized identical offspring, this form of asexual
reproduction.
_H_ Chromatid ___ One of two identical halves of a
replicated chromosome. Single stranded chromosomes.
_F_ Centromere ___ The center portion of the
chromosome, where two sister chromatids are attached to
the spindle fibers.
_G_ Homologous Chromosomes ___ Two chromosomes
that are the same size and contain the same genes.
_J_ Prophase ___ First phase of mitosis. Nuclear
membrane breaks down and chromosomes become visible.
_M_ Metaphase ___ Second phase of mitosis.
Chromosomes line up in the middle.
_I_ Anaphase ___ Third phase of mitosis. Sister chromatids
pull away from each other into single strands on opposite
ends of cell.
_K_ Telophase ___ Fourth phase of mitosis. Nuclear
membrane is starting to pinch.
_L_ Cytokinesis ___ Last stage where original cell actually
becomes two during mitosis. Two daughter cells are
identical to parent cell that have the same number of
chromosomes.
_N_ Chromatin ___ The chromosomes lose their distinct
shapes and appearance.
_P_ Meiosis ___ The process by which either sperm or egg
cells are produced by cutting the chromosome number in
half.
_R_ Diploid ___ Cells are body cells with the full number (2
sets) of chromosomes.
_V_ Haploid ___ Cells are sex cells with half the number (1
set) of chromosomes.
__U_ Gamete __ The 23rd pair of chromosomes that
determine gender. Girls have XX and boys have XY
chromosomes.
A. M Phase
B. Binary Fission
C. Interphase
D. Cell Cycle
E. S Phase
F. Centromere
G. Homologous
Chromosomes
H. Chromatid
I.
Anaphase
J. Prophase
K. Telophase
L. Cytokinesis
M. Metaphase
N. Chromatin
O. Polar Body
P. Meiosis
Q. Crossing Over
R. Diploid
S. Oogenesis
T. Spermatogenesis
U. Gamete
V. Haploid
W. Independent
Assortment
X. Karyotype
Biology: UNIT 5 Vocabulary – Cell Reproduction
19. _Q_ Crossing Over ___ When two homologous
chromosomes overlap and exchange genes (DNA).
20. _W_ Independent Assortment ___ Consist of chromosomes
21.
22.
23.
24.
and their genes independently separating from one another
into the sex cells leading to genetic recombination and
variation amongst offspring.
__T_ Spermatogenesis __ A meiotic process that leads to
the formation of four equal sized and functioning sperm
cells.
_S_ Oogenesis ___ The process of meiosis that results in
one functioning ovum (egg) and three non-functioning polar
bodies.
_O_ Polar Body ___ An underdeveloped and nonfunctioning egg cell.
__ Karyotype ___ An arrangement of all 22 pairs of body
cell chromosomes and the 23 pair of the sex
chromosomes, enlarged for the purpose of studying to
determine any chromosome abnormalities.