a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

the cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells.

the action of copying or reproducing something.

The cell cycle or cell-division cycle is the series of events that take place in a cell leading to its division and duplication of its DNA (DNA replication) to produce two daughter cells.

a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.

each of the two threadlike strands into which a chromosome divides longitudinally during cell division. Each contains a double helix of DNA.

the point on a chromosome by which it is attached to a spindle fiber during cell division.

the material of which the chromosomes of organisms other than bacteria (i.e., eukaryotes) are composed. It consists of protein, RNA, and DNA.

(of a cell or nucleus) containing two complete sets of chromosomes, one from each parent.

the resting phase between successive mitotic divisions of a cell, or between the first and second divisions of meiosis.

the exchange of genes between homologous chromosomes, resulting in a mixture of parental characteristics in offspring.

the fusion of chromosome pairs at the start of meiosis

each of the small cells that bud off from an oocyte at the two meiotic divisions and do not develop into ova.

the process in which cells undergo meiosis to form gametes.

an organ that produces gametes; a testis or ovary

a mature haploid male or female germ cell that is able to unite with another of the opposite sex in sexual reproduction to form a zygote.

a mature female reproductive cell, especially of a human or other animal, that can divide to give rise to an embryo usually only after fertilization by a male cell.

an organism or cell having only one complete set of chromosomes, ordinarily half the normal diploid number.

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vocabulary words

mitosis and meiosis

Term	Definition
mitosis	a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
cytokinesis	the cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells.
replication	the action of copying or reproducing something.
cell cycle	The cell cycle or cell-division cycle is the series of events that take place in a cell leading to its division and duplication of its DNA (DNA replication) to produce two daughter cells.
chromosomes	a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
chromatid	each of the two threadlike strands into which a chromosome divides longitudinally during cell division. Each contains a double helix of DNA.
centromere	the point on a chromosome by which it is attached to a spindle fiber during cell division.
chromatin	the material of which the chromosomes of organisms other than bacteria (i.e., eukaryotes) are composed. It consists of protein, RNA, and DNA.
diploid	(of a cell or nucleus) containing two complete sets of chromosomes, one from each parent.
interphase	the resting phase between successive mitotic divisions of a cell, or between the first and second divisions of meiosis.
crossing over	the exchange of genes between homologous chromosomes, resulting in a mixture of parental characteristics in offspring.
tetrad	a group or set of four.
synapsis	the fusion of chromosome pairs at the start of meiosis
polar bodies	each of the small cells that bud off from an oocyte at the two meiotic divisions and do not develop into ova.
gametogenesis	the process in which cells undergo meiosis to form gametes.
gonad	an organ that produces gametes; a testis or ovary
gamete	a mature haploid male or female germ cell that is able to unite with another of the opposite sex in sexual reproduction to form a zygote.
ovum/ova	a mature female reproductive cell, especially of a human or other animal, that can divide to give rise to an embryo usually only after fertilization by a male cell.
sperm	a male reproductive cell
haploid	an organism or cell having only one complete set of chromosomes, ordinarily half the normal diploid number.

Created by: elihernandez

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