[DOC] [TLE] mutation facts, information, pictures | Encyclopedia.com articles ... [PAR] Unlike in the sci-fi movies, however, scientists typically use the word mutant as an 
... Alterations to DNA are called mutations, and they can result in the formation of 
... If the DNA of a particular gene is altered, that gene may become defective, and 
.... In 1989 researchers found the source of cystic fibrosis on chromosome 7,... [DOC] [TLE] The Genotype/Phenotype Distinction (Stanford Encyclopedia of ... [PAR] Jan 23, 2004 ... As the words genotype and phenotype suggest, these are types, sets of which 
... The critical feature of Mendel's result was the result he obtained in the first ... 
linearly arranged along bodies in the nucleus of cells, the chromosomes. ... which 
then dictates that the genes that code for the enzyme proteins... [DOC] [TLE] Mutation, Repair and Recombination - Genomes - NCBI Bookshelf [PAR] Mutations result either from errors in DNA replication or from the damaging 
effects of ... All cells possess DNA-repair enzymes that attempt to minimize the 
number of ... if the protein coded by the mutant gene is defective (Section 14.1.2), 
and some .... In each of these three examples, the two tautomeric forms of the 
base have... [DOC] [TLE] Human Genome: The Book of Life [PAR] 24 Distinct Separate Microscopic Genome Units ... These 3 billion bases are 
arranged along the chromosomes in a particular order for each unique individual. 
... Scientists believe SNP maps will help them identify the multiple genes ..... 
Several hundred mutations have been found in this gene, all of which result in 
defective... [DOC] [TLE] History of genetics - Wikipedia [PAR] The history of genetics started with the work of the Augustinian friar Gregor 
Johann Mendel. ... In the 1940s and early 1950s, experiments pointed to DNA as 
the portion of .... that chromosomes, which segregate in a Mendelian fashion, are 
hereditary units; .... These two scientist were able to replicate proteins such as 
HGH,... [DOC] [TLE] Gene - Wikipedia [PAR] A gene is a locus (or region) of DNA which is made up of nucleotides and is the 
molecular unit ... Genes can acquire mutations in their sequence, leading to 
different variants, ... These alleles encode slightly different versions of a protein, 
which cause ... of a gene continues to be refined as new phenomena are 
discovered. [DOC] [TLE] Genetics - 3 | Britannica.com [PAR] Results 101 - 150 of 150 ... OI arises from a genetic defect that causes abnormal or reduced ... Point 
mutations are frequently the result of mistakes made ... The ability of interfering 
RNA to silence genes was discovered. ... the first conclusive evidence that 
chromosomes carry the units of inheritance and occur in distinct pairs. [DOC] [TLE] SEARCHING FOR ELECTRICAL PROPERTIES, PHENOMENA AND ... [PAR] These electrical properties and phenomena provide a possible explanation for ... 
The real-time observation of electrostatic forces involved in enzyme transport 
along a ... As a result of this construction, the primary and secondary coils 
typically ... In chromosomes, similar gaps, breaks, fusions, and other defects 
occurred in... [DOC] [TLE] News this Week | Science [PAR] These tensions are coming to a head this fall at the National Heart, Lung, and 
Blood ... of the University of Utah Cardiovascular Genetics Research Unit in Salt 
Lake City. ..... an enzyme that converts benzene into chromosome-damaging 
metabolites. ... Four years ago, scientists found a genetic marker of susceptibility 
to... [DOC] [TLE] Transcription and Translation of a Gene [PAR] Our health status is similarly the result of an interplay between genetic and ... 
These random mutations and the competition among species are the driving 
force behind the ... Our cells have all 46 chromosomes, but they are coiled 
around proteins and ... Additional transcription factors then bind, and an enzyme 
called RNA... [DOC] [TLE] GENETIC BASICS OF VARIATIONS IN BACTERIA [PAR] Mutation and gene transfer work together to accelerate the rate of bacterial 
evolution. ... transcriptional unit. Some IS ... for rapid dissemination of these 
genes to other bacteria. ... incorporation of a new gene not previously found in 
the chromosome (e.g. .... result is seen

Question: Around 1940 scientists found that mutations in these chromosomal units result in defective enzymes
Answer: Genes