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Virginia Tech Biology 1105 Test 4 with 100- correct answers 2025
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Virginia Tech Biology 1105 Test 4 with 100- correct answers 2025
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Virginia Tech Biology 1105 Test4 with 100% correct answers
2025
Genetic Maps
Provide relative location of genes using landmarks.
Physical Maps
Provide actual location of genes.
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Brainpower
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Restriction maps
a common type of physical map
Sequence Tagged Sites
Language used to describe the location of a gene on a physical map
so that it is universal. A unique stretch of DNA added to databases.
FISH (Chromosome Banding)
, Method of marking low resolution physical maps with a stain to
depict a specific area on the chromosome.
BLAST
used to link searched sequence the sequences of related genes and
proteins
Coding DNA
Contains genes that encode
Noncoding DNA
Does not contain genes that encode proteins
Single copy genes
Coding DNA that exists as a single copy on a particular chromosome
Segmental Duplications
Coding or Noncoding DNA in entire blocks of genes that can be
copies from one chromosome to another
Multigene Families
Coding DNA groups of related but distinctly different genes that
occur together in clusters
Tandem Clusters
Coding DNA- identical copies of genes can be found in sequential
groupings and may also include genes which do not encode protein
Noncoding DNA within genes
protein encoding information (exons) is often interspersed with
introns that do not code
Structural DNA
Noncoding DNA- consecutive heterochromatin- regions of the
chromosome that remain tightly coiled and transcribed
Simple Sequence Repeated (SSRs)
Noncoding DNA- A 1-6 nucleotide sequence which is repeated
several to thousands of times
Pseudogenes
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