Mr. Sheskey's Tough Science Words For Me and I Mean Tough

Heidi J. (United States of America)
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Full list of words from this list:

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  1. dominant allele
    an allele that produces the same phenotype whether its paired allele is identical or different
    The Nature of Alleles

    A dominant allele is an allele that is almost always expressed, even if only one copy is present.
  2. diploid
    an organism or cell having the normal amount of DNA per cell
    The term diploid describes a state in which a cell has two sets of homologous chromosomes, or two chromosomes that are the same.
  3. eukaryotic
    having cells with `good' or membrane-bound nuclei
    This theory is also supported by the existence of a eukaryotic organism, called the amoeba, which lacks mitochondria.
  4. phenotypic
    of or relating to or constituting a phenotype
    These expressed, or phenotypic, traits are attributable to genotypic variation in a person's DNA sequence.
  5. ribose
    a pentose sugar important as a component of ribonucleic acid
    However, the ribose sugar component of RNA is slightly different chemically than that of DNA. RNA has a 2' oxygen atom that is not present in DNA. Other fundamental structural differences exist.
  6. genotypic
    of or relating to or constituting a genotype
    These expressed, or phenotypic, traits are attributable to genotypic variation in a person's DNA sequence.
  7. allele
    any of the forms of a gene that can occupy the same locus
    Methylation also plays an important role in genomic imprinting, which occurs when both maternal and paternal alleles are present but only one allele is expressed while the other remains inactive.
Created on 二月 9, 2011

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