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Sexual & Asexual

QuestionAnswer
normal process that the body cells use to grow new tissue or repair existing tissue mitotic division
form two daughter cells that are identical to the parent cell mitosis
process which gametes or spores are produced meiotic division
produces haploid daughter cells with half the species usual number of chromosomes meiosis
when two chromosomes pair up and chromosomes and exchange parts of their DNA crossing over
occur when alleles are randomly sorted during meiosis genetic variation
occurs when a segment of DNA is inserted, deleted or substituted mutations
have no effect on an organism silent mutations
period of the cell cycle when the nucleus is not undergoing division inter phase
first stage of mitosis pro phase
when the duplicated chromosomes line up along the equatorial plate of the spindle meta phase
the daughter chromosomes move away from each other to opposite ends of the cell anaphase
the separated chromosomes reach the opposite poles of the dividing cell and the nuclei of the daughter cells from around the two sets of chromosomes telophase
division of the cell cytoplasm that usually follows mitotic or meiotic division of the nucleus cytokinesis
chromosomes become visible prophase I
spindle fibers spread x chromosomes apart mataphase I
chromosomes start to move toward opposite poles Anaphase I
complete haploid set of chromosomes Telophase I
nuclear envelope breaks down and the spindle apparatus forms prophase II
each daughter cell completes the formation of a spindle apparatus metaphase II
two chromatids of each chromosome move to opposite poles of the spindle anaphase II
nuclear forms around each of chromosomes telophase II
how do mutations lead to genetic variations? producing random changes in an organisms genetic code
when plants have different colors its called genetic variation
Created by: kareyhoward
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