Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account


a haploid reproductive cell that unites with another haploid reproductive cell to form a zygote

binary fission

a form of asexual reproduction in single-celled organisms by which one cell divides into two cells of the same size


a segment of DNA that is located in a chromosome and that codes for a specific hereditary trait


one of the two strands of a chromosome that becomes visible furing meiosis or mitosis


in a eukaryotic cell, one of the structures in the nucleus that are made up of DNA and proteins in a prokaryotic cell, the main ring of DNA


the region of the chromosome that holds the two sister chromatids together during mitosis

homologous chromosomes

chromosomes that have the same sequence of genes, that have the same structure, and that pair during meiosis


a cell that contains two haploid sets of chromosomes


describes a cell, nucleus or organism that has only one set of unpaired chromosomes


the cell that results from the fusion of gametes, a fertilized egg

sex chromosome

one of the pair of chromosomes that determine the sex of an individual


an array of the chromosomes found in an individual's cells at metaphase of mitosis and arranged in homologous pairs and in order of diminishing size

cell cycle

the life cycle of cells in eukaryotes, it consists of a a cell-growth period in which DNA is synthesized and cell-division period in which mitosis takes place


a period between two mitotic or meiotic divisions during which the cell grows, copies its DNA and synthesizes proteins


in eukaryotic cells, a process of cell division that forms two new nuclei, each of which has the same number of chromosomes


any chromosome that is not a sex chromosome


the division of the cytoplama of a cell, cytokinesis follows the division of the cell's nucleus by mitosis or meiosis


a tumor in which the cells begin dividing at an uncontrolled rate and become invasive


a network of microtubules that forms during mitosis and moves chromatids to the poles

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording