SCS BIO CHAPTER 9

25 terms by zach7685

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sister chromatid

one of a pair of identical chromosomes created before a cell divides

mitotic phase

stage of the cell cycle when a cell is actively dividing

metaphase

second stage of mitosis and of meiosis I and II when the spindle is fully formed and all of the chromosomes are held in place; chromosomes line up

meiosis

type of cell division that produces four cells, each with half as many chromosomes as the parent cell

centromere

region where two sister chromatids are joined tightly together

mitosis

process by which the nucleus and duplicated chromosomes of a cell divide and are evenly distributed, forming two daughter nuclei

anaphase

third phase of mitosis and of meiosis I and II, in which the sister chromatids separate and move toward the poles of the spindle

karyotype

A picture of all the chromosomes in a cell arranged in pairs

chromatin

combination of DNA and protein molecules, in the form of long, thin fibers, making up the genetic material in the nucleus of a eukaryotic cell

cell cycle

series of events that cells go through as they grow and divide

cytokinesis

division of the cytoplasm during cell division

telophase

last phase of mitosis, chromosome are in two new cells and nuclear membranes start to reform

cancer

common name for a class of diseases characterized by uncontrolled cell division

sex-linked gene

gene located on the X or Y chromosome

chromosome

threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next

interphase

the period of the cell cycle during which the nucleus is not undergoing division, typically occurring between mitotic or meiotic divisions

prophase

the first stage of mitosis and meiosis in cell division; characterized by the condensation of the chromosomes and the dissolution of the nuclear envelope

cell plate

A double membrane across the midline of a dividing plant cell, between which the new cell wall forms during cytokinesis.

trait

a characteristic that an organism can pass on to its offspring through its genes., specific characteristic that varies from one individual to another

spindle

(biology) tiny fibers that are seen in cell division

telophase

the final stage of mitosis

Benign tumor

an abnormal mass of essentially normal cells

cancer

any malignant growth or tumor caused by abnormal and uncontrolled cell division

Metastasis

the spreading of a disease to another part of the body

Zach

The AWESOME black kid

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