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Biology

QuestionAnswer
Genetics The study of heredity
Gene A segment of DNA capable of producing a specific amino acid chain (polypeptide) resulting in a particular characteristic
Histone A protein that supports, protects and helps maintain the tightly coiled structure of the DNA in a chromosome
Chromatid One of the two DNA duplicates that compose one chromosome (when it he chromosome is not Separated)
Centromere The attachment point of two sister chromatids; also serves as point of attachment of spindle fibers during mitosis
Karyotype An illustration in which the chromosomes of a cell are arranged according to their size
Homologous chromosomes Two chromosomes that have the same kinds of genes (alleles) in the same order
Homologue One member of a Homologous pair of chromosomes
Diploid Having homologous pairs of chromosomes
Haploid Having only one member of each homologous pair of chromosomes; characteristics of gametes
Cell cycle The repeating cycle of events in the life of a cell; composed of interphase, mitosis, and cytokinesis
Interphase The period of time between cellular divisions
Mitosis The duplicating and seperating of a cell's chromosomes
Prophase The first phase of mitosis; centromeres migrates to poles
Metaphase
Telophase
Cytokinesis The division of the cytoplasm in the dividing cell
Asexual reproduction The production of a new organism without the fusion of a sperm and an ovum; involves only mitotic cell divisions
Created by: ally.fulton