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jery

vocabolary test

TermDefinition
mitosis cell divide of body cells
cytokinesis Cytokinesis is the process during cell division in which the cytoplasm of a single eukaryotic cell is divided to form two daughter cells.
replication the process of producing two identical replicas from one original DNA molecule.
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 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 tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids
synapsis s the pairing of two homologous chromosomes that occurs during meiosis
polar bodies A polar body is a small haploid cell that is formed concomitantly as an egg cell during oogenesis, but which generally does not have the ability to be fertilized
gametogenesis the process in which cells undergo meiosis to form gametes.
gonad The gonads are the reproductive organs for both males and females
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 is the name for the haploid female reproductive cell, or gamete.
sperm Sperm is the male reproductive cell
hapliod having a single set of unpaired chromosomes
Created by: jery