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Biology I Ch. 10 Cell Growth & Division

Name _____________________________
Period ______
Across
The last phase of mitosis
Cancer causing chemicals
A ___ cell contains both chromosomes of a pair.
Process by which gametes are produced, each having the haploid number of chromosomes
Male gamete
Division of the cytoplasm
Malignant tumors contain cells that can ___ (spread).
Stem cells are able to ___ into specific types of body cells.
___ fibers help to move chromosomes during mitosis.
Female gamete
The cell ___ consists of the following phases: G1, S, G2, and M
Uncontrolled growth in cells.
During prophase, structures called ___ are formed and move toward opposite poles of the cell.
The phase of mitosis during which the centromeres split and one of each chromosome begins to move toward opposite poles.
A ___ tumor can metastasize.
The G1 phase of the cell cycle is a period of cell ___.
___ cells contain only 1 chromosome of a pair. (ex. gametes)
During prophase, a spindle and ___ are formed of protein fibers.
Down
Division of the nucleus of a cell
Meiosis is called "reduction ___"
A ___ tumor contains cells that do not metastasize.
Structures composed of chromatin that carry genetic information from one generation of cells to another.
In sexually reproducing organisms, chromosomes occur in pairs called ___.
The phase of mitosis during which the duplicated chromatids line up at the cell's equator.
Genes that cause normal cells to become cancerous.
The round structure that holds sister chromatids together.
During Meiosis I, as tetrads form, genetic information can be swapped between chromatids. This is called ___.
The first phase of mitosis is ___.
Male and female reproductive cells.
___ cells are body cells that are not reproductive cells.
During prophase, a ___ and aster from between the centrioles.
___ cells have not yet differentiated.
The two cells that result at the end of mitosis are called ___ cells.
When chromosomes duplicate, they from sister ___.
Proteins that regulate the timing of the cell cycle in eukaryotic organisms.
___ reproduction involves two parent organisms.
Masses of cells formed by uncontrolled cell division.
During Meiosis I, homologs twist around each other to form a ___.