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Science
Biology
14
Biology
9th Grade
04/16/2015

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Term
Sex Linked characteristic
Definition
A trait associated with a gene that is carried only by the male or femaleparent.
Term
Pedigree
Definition
an ancestral line
Term
genotype
Definition
the genetic makeup of an organism or group of organisms
Term
Carrier
Definition
a person or thing that carries.
Term
phenotype
Definition
the observable constitution of an organism.
Term
Restriction enzymes
Definition
any of a group of enzymes that catalyze the cleavage of DNAmolecules at specific sites
Term
Gel electrophoresis
Definition
a technique for separating protein molecules of varying sizes in amixture by moving them through a block of gel, as of agarose orpolyacrylamide, by means of an electric field, with smaller moleculesmoving faster and therefore farther than larger ones.
Term
Polymerase chain reaction
Definition
Polymerase chain reaction, or PCR, is a laboratory technique used to make multiple copies of a segment of DNA.
Term
Transgenic organisms
Definition
Organisms that have altered genomes are known astransgenic.
Term
Recombinant DNA
Definition
  1. DNA that has been formed artificially by combining constituents from different organisms.
Term
Genetic engineering
Definition
  1. the deliberate modification of the characteristics of an organism by manipulating its genetic material.
Term
Sex chromosomes
Definition
  1. a chromosome involved with determining the sex of an organism, typically one of two kinds.
Term
autosomes
Definition
  1. any chromosome that is not a sex chromosome.
Term
sticky ends
Definition
a single-stranded end of DNA or RNA having a nucleotide basesequence complementary to that of another strand, enabling the twostrands to be connected by base pairing
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