Oral Path

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Author:
sthomp88
ID:
110407
Filename:
Oral Path
Updated:
2011-10-19 21:14:22
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Chapter six key words
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week 9
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  1. genes that are located at the same level or locus in the 2 chromosomes of a pair and that determine the same functions or characteristics
    alleles
  2. Organic compound containing the amino group NH2; they are the main component of proteins
    amino acid
  3. nonsex chromosomes, which are identical for men and women
    autosomes
  4. condensed cnromatin of the inactiviated X chromosome, which is found at the periphery of the nucleus of cells in women
    Barr body
  5. In genetics a heterozyguous individual who is clinically normal but who can transmit a recessive trait or characteristic; also, a person who is homozygous for an autosomal-dominant condition with low penetrance
    Carrier
  6. Constricted portion of the chromosome that divides the short arms from the long arms
    Centromere
  7. Either two vertical halves of a chromosome that are joined at the centromere
    chromatid
  8. general term used to refer to the material (deoxyrobonucleic acid DNA) that forms the chromosomes
    chromatin
  9. vertical sequence of three bases in DNA that codes for an amino acid
    codon
  10. blood relationship; in genetics the term is generally used to describe a mating or marriage between close relatives
    Consanguinity
  11. A substance composed of a double chain of polynucleotides; both chains coiled around a central axis form a double helix; it is the basic genetic code or template for amino acid formation
    deoxyribonucleic acid (DNA)
  12. having two sets of chromosomes; the normal constitution of somatic cells
    diploid
  13. in genetics a trait or characteristic that is manifested when it is carried by only one of a pair of homologous chromosomes
    dominant
  14. degree of clinical manifestation of a trait or characteristic
    expressivity
  15. appearance of the face
    facies
  16. spermatozoon or ovum
    gamete
  17. having more that one inheritance pattern
    genetic heterogeneity
  18. cell with a single set of chromosomes; a gamete is this
    haploid
  19. individual with two different genes at the allele loci
    heterozygote
  20. having identical genes at the allele loci
    homozygote
  21. abnormally diminished secretion of sweat
    hypohidrosis
  22. presence of less than the normal amount of hair
    hyptrichosis
  23. photomicrographic representation of a person's chromosomal constitution arranged according to the Denver classification
    karyotype
  24. position occupied by a gene on a chromosome
    locus
  25. two-step cellular division of the original germ cells; which reduces the chromosomes from 4nDNA to 1nDNA
    meiosis
  26. phase of cellular division in which the chromosomes are lined up evenly along the equatorial plane of the cell and in which they are most visible
    metaphase
  27. cytoplasmic organelles that have their own DNA in a circular chromosome
    mitochondria
  28. unique DNA that is maternally inherited
    mitochondrial DNA
  29. way in which somatic cells divide so that the two daughter cells recieve that same number of identical chromosomes
    Mitosis
  30. permanent change in the arrangement of genetic material
    mutation
  31. process of formation of femal germ cells (ova)
    oogensis
  32. egg; mature feminine germ cell
    ovum
  33. frequency with which a heritable trait is exhibited by idividuals carrying the gene or genes that determine that trait
    penetrance
  34. en
  35. physical, biochemical, and physiologic makeup of an individual; genotype is the genetic composition, and phenotype is its observable appearance
    phenotype
  36. trait or characteristic that shows clinically when a double-gene dose (homozygous) exists in autosomic chromosomes or a single-gene dose exists in males if the trait is X linked
    recessive
  37. single strands of polynucleotides found in all cells; different types of RNA have different functions in the production of proteins by the cell
    ribonucleic acid (RNA)
  38. cytoplasmic organelles in which proteins are formed on the basis of the genetic code provided by RNA
    ribosome
  39. process of formation of spermatozoa (sperm)
    spermatogenesis
  40. mature male germ cell
    spermatozoon
  41. set of signs or symptoms (or both) occurring together
    syndrome
  42. portion of a chromosome attached to another chromosome
    translocation
  43. pair of chromosomes with an identical extra chromosome
    trisomy

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