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32 Cards in this Set
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- Back
- 3rd side (hint)
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Disk of protein on a chromososes centromere to which micrtupules attach during mitosis and meiosis
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Kinetochore
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Kinetochore
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Form of mutation in which a chromosome contains an extra copy of a segment on DNA
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duplication
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Duplication
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Chromosomes that are similar in shape, size and the genes they carry.
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Homologous Chromosomes
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Homologous Chromosome
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Mutation in which a nucleotide on segment of DNA is lost
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Deletion
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deletion
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term usedto indicate cell containing two homologues of each chromosome
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diploid
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diploid
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A syndrome of congenital defects especially mental retardation, resulting
from an additional chromosome |
Down syndrome
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Down syndrome
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In meiosis, term esed to indicats the reduction of the number of chromosomer when the cytoplasm divides
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Reduction division
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growth response in which the direction of growth is determined by the stimulus
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Trisomy
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Trisomy
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Form of mutation caused by a chromosome fragment jioning a nonhomologous chromosome during cell division
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translocation
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Translocation
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Process in which the nucleus of a cell divides into two nuclei each with the sam number and of chromosome
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mitosis
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mitosis
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process in which the nucleus of a cell completes two successive divisions that produce for nuclei, each with a chromosome number that has been reduced by half
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meiosis
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meiosis
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Accident in chromosome separation when one daughter cell recelues both chromosomes and the other daughter
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nondisjunction
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nondisjunction
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a chromosome that is not directly involved in determining sex
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Autosomes
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Autosomes
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Procedure in which a sample of amniotic fluid is withdrawn and tested for gegetic abnormalities in a fetus
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Amniocentesis
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Amniocentesis
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The exchange of reciprocal segments of DNA dy Chromosomes at the beginning of meiosis; source of genetic recombination
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Crossing over
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Crossing over
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change in the DNA OF a gene or chromosome
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Mutations
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mutations
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formof asexual reproduction that produces indentical offspring
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Binary fission
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Binary Fission
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mutation in which a chromosome fragment rejoins its orignal chromosome with it's nucleotides reversed
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inversion
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invertion
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network of hollow protein cables that form between separeted centrioles and move chromosomes apart
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spindle Fiber
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spindle fiber
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Section of chromosome that cods for a protein or RNA molecules
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GENE
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GENE
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Fertilized egg cell
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Zygote
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Zygote
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Fetel testing procedure in which pieces of the chrionic villi in a mothers uterus are removed and examined for genetic adnormalities
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Chronic Villi samplinf
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Chronic Villi Sampling
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Array of the chromosomes found in an individual's cell's arranged in order of size and shape
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Karyotype
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Karyotype
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Chromosomes that differ Between males and Femals
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Sex Chromosomes
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Haploid cell that partiaipates in fertilization by fusing with another haplad cell
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Gamete
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Gamete
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Rearrangement of genetic material
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Genetic Recombination
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Genetic recombination
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Period of growth between two mitotic or meiotis divisions of a Eukaryotic cell
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interphase
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interphase
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Having only one set of chromosomes
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Haploid
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pne of a pair of strands of DNA that make up a chromosome during meiosis or mitosis
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Chromatids
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Chromatids
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Repeating five phase sequence of Eukaryotic cell growth and division
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cell cycle
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cell cycle
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rejoining two chromatids
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centromere
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centromere
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division of the cytoplasm
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cytokinesis
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cytokinesis
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