Mr. Scott's Tough Science Words for Me and I Mean Tough

Heidi J. (United States of America)
4 words 0 learners

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Full list of words from this list:

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  1. 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.
  2. linked genes
    any pair of genes that tend to be transmitted together
    There are at least a dozen Y-linked genes, in addition to those that code for masculine physical traits.
  3. 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.
  4. prokaryote
    a unicellular organism lacking a membrane-bound nucleus
    The location and base sequence of each promoter site vary for prokaryotes (bacteria) and eukaryotes (higher organisms), but they are both recognized by RNA polymerase, which can then grab hold of the sequence and drive the production of an mRNA.
Created on 一月 11, 2011

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